A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia. http://arachnoid.com Tue, 24 Feb 2026 16:32:28 +0000 A SolveSpace design and 3D printing project Tue, 24 Feb 2026 16:32:16 +0000 http://arachnoid.com/3DPrinting/cup_waterproof.html http://arachnoid.com/3DPrinting/cup_waterproof.html How to print in depth Mon, 23 Feb 2026 19:56:04 +0000 http://arachnoid.com/3DPrinting/index.html http://arachnoid.com/3DPrinting/index.html Support and tutorials for this new 3D printer. Wed, 08 Oct 2025 19:48:31 +0000 http://arachnoid.com/3D_Printing_Prusa_Core_One/index.html http://arachnoid.com/3D_Printing_Prusa_Core_One/index.html
A comprehensive storage tank analyzer. ]]> Tue, 12 Aug 2025 09:31:10 +0000 http://arachnoid.com/TankCalc/index.php http://arachnoid.com/TankCalc/index.php
A comprehensive storage tank analyzer. ]]> Tue, 12 Aug 2025 09:31:10 +0000 http://arachnoid.com/TankCalc/index.html http://arachnoid.com/TankCalc/index.html
A practicum for statistical analysis. ]]> Tue, 05 Aug 2025 15:26:33 +0000 http://arachnoid.com/NormalDistribution/index.html http://arachnoid.com/NormalDistribution/index.html A somewhat tart analysis of consumerism. Sun, 15 Jun 2025 20:16:32 +0000 http://arachnoid.com/lutusp/consumerangst.html http://arachnoid.com/lutusp/consumerangst.html I can dream, can't I? Sun, 15 Jun 2025 20:15:56 +0000 http://arachnoid.com/if_i_were_in_charge/index.html http://arachnoid.com/if_i_were_in_charge/index.html
A concise biographical note. ]]> Thu, 06 Feb 2025 18:58:40 +0000 http://arachnoid.com/administration/index.html http://arachnoid.com/administration/index.html Use a computer to shape your world. Wed, 22 Jan 2025 11:36:17 +0000 http://arachnoid.com/Computer_Aided_Design/index.html http://arachnoid.com/Computer_Aided_Design/index.html
On the transition from psychology to neuroscience. ]]> Sun, 29 Dec 2024 09:57:37 +0000 http://arachnoid.com/psychology_and_neuroscience/index.html http://arachnoid.com/psychology_and_neuroscience/index.html An easy-to-use Unicode character search page including emojis. Wed, 09 Oct 2024 15:30:34 +0000 http://arachnoid.com/unicode/index.html http://arachnoid.com/unicode/index.html A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia. Sat, 21 Sep 2024 16:20:05 +0000 http://arachnoid.com/wp-login.php http://arachnoid.com/wp-login.php A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia. Sat, 21 Sep 2024 16:20:05 +0000 http://arachnoid.com/index.html http://arachnoid.com/index.html A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java/JavaScript applets, programming instruction, home of Arachnophilia. Sat, 21 Sep 2024 16:20:05 +0000 http://arachnoid.com/xmlrpc.php http://arachnoid.com/xmlrpc.php
A Python resource for programming Icom radios. ]]> Sat, 21 Sep 2024 15:54:02 +0000 http://arachnoid.com/IcomProgrammer/index.html http://arachnoid.com/IcomProgrammer/index.html This is the www.arachnoid.com message board, a way for me to receive feedback from my visitors without having to publish an e-mail address. Thu, 15 Aug 2024 16:52:20 +0000 http://arachnoid.com/messages/index.php http://arachnoid.com/messages/index.php This is the www.arachnoid.com message board, a way for me to receive feedback from my visitors without having to publish an e-mail address. Thu, 15 Aug 2024 16:52:20 +0000 http://arachnoid.com/messages/index.html http://arachnoid.com/messages/index.html A first-rate printer with a serious vulnerability. Tue, 16 Jul 2024 09:56:59 +0000 http://arachnoid.com/3DPrinting_Anycubic_Kobra_Max/index.html http://arachnoid.com/3DPrinting_Anycubic_Kobra_Max/index.html An interactive JavaScript financial calculator. Tue, 25 Jun 2024 15:30:42 +0000 http://arachnoid.com/finance/index.html http://arachnoid.com/finance/index.html A collection of brief reviews of works that impressed me. Sun, 26 May 2024 20:37:15 +0000 http://arachnoid.com/book_reviews/index.html http://arachnoid.com/book_reviews/index.html
An updated account of the revolution in computer-aided radio reception. ]]> Thu, 09 May 2024 08:29:26 +0000 http://arachnoid.com/software_defined_radios_II/index.html http://arachnoid.com/software_defined_radios_II/index.html
A treatise on an old, very reliable communication method. ]]> Sat, 04 May 2024 09:31:11 +0000 http://arachnoid.com/morse_code/index.html http://arachnoid.com/morse_code/index.html A free, mobile-friendly, open-source dynamic map application. Fri, 26 Apr 2024 08:43:28 +0000 http://arachnoid.com/FreeMap/index.html http://arachnoid.com/FreeMap/index.html A short list of my favorite jokes. Mon, 22 Apr 2024 19:36:08 +0000 http://arachnoid.com/jokes/index.html http://arachnoid.com/jokes/index.html
An easy-to-use tidal-prediction program with a worldwide database. ]]> Tue, 23 Jan 2024 19:15:25 +0000 http://arachnoid.com/JTides/index.html http://arachnoid.com/JTides/index.html An interactive tool for math publishing. Thu, 30 Nov 2023 14:17:34 +0000 http://arachnoid.com/latex/index.html http://arachnoid.com/latex/index.html Includes an explanation, equations, and a calculator — recently updated. Wed, 29 Nov 2023 22:04:57 +0000 http://arachnoid.com/braking_physics/index.html http://arachnoid.com/braking_physics/index.html
Ascending against gravity. ]]> Tue, 07 Nov 2023 17:12:13 +0000 http://arachnoid.com/rope_climbing_101/index.html http://arachnoid.com/rope_climbing_101/index.html Investment myths disproven. Tue, 07 Nov 2023 17:11:43 +0000 http://arachnoid.com/fire_your_stockbroker/index.html http://arachnoid.com/fire_your_stockbroker/index.html How to see in three dimensions. Tue, 07 Nov 2023 17:09:46 +0000 http://arachnoid.com/binocular_vision/index.html http://arachnoid.com/binocular_vision/index.html In "Infinity War", Marvel Comics super-villain Thanos kills off half the world's population. Would this fix the planet? Tue, 07 Nov 2023 17:06:45 +0000 http://arachnoid.com/was_thanos_right/index.html http://arachnoid.com/was_thanos_right/index.html
A tiny computer, a big idea. ]]> Tue, 07 Nov 2023 17:06:03 +0000 http://arachnoid.com/raspberry_pi/index.html http://arachnoid.com/raspberry_pi/index.html More abstraction, better result Tue, 07 Nov 2023 17:04:15 +0000 http://arachnoid.com/platonic_solids_2/index.html http://arachnoid.com/platonic_solids_2/index.html From abstract idea to physical model Tue, 07 Nov 2023 17:03:39 +0000 http://arachnoid.com/platonic_solids_1/index.html http://arachnoid.com/platonic_solids_1/index.html
An intriguing application of modern technology. ]]> Tue, 07 Nov 2023 17:02:35 +0000 http://arachnoid.com/drones/index.html http://arachnoid.com/drones/index.html
A tutorial on drone-platform photographic techniques. ]]> Tue, 07 Nov 2023 17:01:40 +0000 http://arachnoid.com/drones/drone_images.html http://arachnoid.com/drones/drone_images.html Using Calculus to analyze a pandemic Tue, 07 Nov 2023 17:00:29 +0000 http://arachnoid.com/coronavirus_equation/index.html http://arachnoid.com/coronavirus_equation/index.html
Ascending against gravity, rope work and related topics. ]]> Tue, 07 Nov 2023 16:59:42 +0000 http://arachnoid.com/climbing/index.html http://arachnoid.com/climbing/index.html
The article set for the 2017 Alaska expedition. ]]> Tue, 07 Nov 2023 16:57:22 +0000 http://arachnoid.com/alaska2017/bainbridge_island.html http://arachnoid.com/alaska2017/bainbridge_island.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/differential2.html http://arachnoid.com/calculus/differential2.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/volume1.html http://arachnoid.com/calculus/volume1.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/index.html http://arachnoid.com/calculus/index.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/moving_experience.html http://arachnoid.com/calculus/moving_experience.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/volume2.html http://arachnoid.com/calculus/volume2.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/differential3.html http://arachnoid.com/calculus/differential3.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/differential1.html http://arachnoid.com/calculus/differential1.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/derivation.html http://arachnoid.com/calculus/derivation.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/tools.html http://arachnoid.com/calculus/tools.html
A carefully worded overview of calculus for nonspecialists and the simply curious. ]]> Tue, 07 Nov 2023 16:43:59 +0000 http://arachnoid.com/calculus/integration.html http://arachnoid.com/calculus/integration.html Learn how computers imitate nature. Tue, 07 Nov 2023 16:40:38 +0000 http://arachnoid.com/tracking_the_JWST/index.html http://arachnoid.com/tracking_the_JWST/index.html I explain how AI is changing the worlds of art and photography. Tue, 07 Nov 2023 16:39:51 +0000 http://arachnoid.com/AI_Image_Generation/index.html http://arachnoid.com/AI_Image_Generation/index.html A collection of what once were called quotations. Sun, 22 Oct 2023 02:29:59 +0000 http://arachnoid.com/opinion/bumperstickers.html http://arachnoid.com/opinion/bumperstickers.html
An Android-based storage tank analyzer ]]> Sun, 10 Sep 2023 20:38:13 +0000 http://arachnoid.com/android/TankCalcAndroid/index.html http://arachnoid.com/android/TankCalcAndroid/index.html A practicum on Fourier analysis and signal processing. Tue, 15 Aug 2023 20:22:53 +0000 http://arachnoid.com/signal_processing/index.html http://arachnoid.com/signal_processing/index.html My free, open-source, no-time-limit Wordle clone. Tue, 08 Aug 2023 21:21:45 +0000 http://arachnoid.com/wordgame/index.html http://arachnoid.com/wordgame/index.html How to configure Home Assistant and survive Insteon's collapse. Tue, 08 Aug 2023 21:21:07 +0000 http://arachnoid.com/insteon_rescue/index.html http://arachnoid.com/insteon_rescue/index.html I realized it was time to face reality. Tue, 08 Aug 2023 21:20:35 +0000 http://arachnoid.com/i_dumped_insteon/index.html http://arachnoid.com/i_dumped_insteon/index.html A full index to www.arachnoid.com without DHTML. Wed, 26 Jul 2023 15:25:05 +0000 http://arachnoid.com/lutusp/siteindex_noDHTML.html http://arachnoid.com/lutusp/siteindex_noDHTML.html A list of Web links Wed, 26 Jul 2023 15:24:57 +0000 http://arachnoid.com/lutusp/websites_noDHTML.html http://arachnoid.com/lutusp/websites_noDHTML.html A full, expandable index to www.arachnoid.com. Wed, 26 Jul 2023 15:13:27 +0000 http://arachnoid.com/lutusp/siteindex.html http://arachnoid.com/lutusp/siteindex.html A list of Web links Mon, 24 Jul 2023 14:53:37 +0000 http://arachnoid.com/lutusp/websites.html http://arachnoid.com/lutusp/websites.html Lots of fun and just a little math. Thu, 18 May 2023 01:31:41 +0000 http://arachnoid.com/tracking_the_JWST/section3.html http://arachnoid.com/tracking_the_JWST/section3.html Lots of fun and just a little math. Thu, 18 May 2023 01:30:56 +0000 http://arachnoid.com/tracking_the_JWST/section2.html http://arachnoid.com/tracking_the_JWST/section2.html
An amazing intersection of mathematics, computer programming and radio. ]]> Thu, 18 May 2023 01:18:37 +0000 http://arachnoid.com/software_defined_radios/index.html http://arachnoid.com/software_defined_radios/index.html
The path to gender equality. ]]> Thu, 18 May 2023 01:16:30 +0000 http://arachnoid.com/right_to_choose/index.html http://arachnoid.com/right_to_choose/index.html
Installing and using the multi-language Jupyter notebook environment. ]]> Thu, 18 May 2023 00:50:43 +0000 http://arachnoid.com/jupyter/index.html http://arachnoid.com/jupyter/index.html Exploring the interplay of gravity and mass-energy. Thu, 18 May 2023 00:43:55 +0000 http://arachnoid.com/gravity/index.html http://arachnoid.com/gravity/index.html
An easy way to improve my signal generator's accuracy. ]]> Thu, 18 May 2023 00:40:56 +0000 http://arachnoid.com/frequency_standard/index.html http://arachnoid.com/frequency_standard/index.html Lots of fun and just a little math. Mon, 15 May 2023 22:21:51 +0000 http://arachnoid.com/tracking_the_JWST/section1.html http://arachnoid.com/tracking_the_JWST/section1.html An article in which I mourn the untimely passing of the example. Thu, 02 Mar 2023 01:21:04 +0000 http://arachnoid.com/example/index.html http://arachnoid.com/example/index.html An interactive consumer-oriented loan evaluation tool. Thu, 02 Mar 2023 01:07:33 +0000 http://arachnoid.com/consumer_loan_calculator/index.html http://arachnoid.com/consumer_loan_calculator/index.html A polynomial regression data fit application with some technical background. Wed, 01 Mar 2023 22:06:08 +0000 http://arachnoid.com/polysolve/index.html http://arachnoid.com/polysolve/index.html
A comprehensive JavaScript/Canvas orbital physics model. ]]> Wed, 01 Mar 2023 22:02:29 +0000 http://arachnoid.com/orbital_dynamics/index.html http://arachnoid.com/orbital_dynamics/index.html An exposition on a principle of physics, and of science. Wed, 01 Mar 2023 21:17:03 +0000 http://arachnoid.com/conservation_of_energy/index.html http://arachnoid.com/conservation_of_energy/index.html A Python weatherfax receiver/converter. Wed, 01 Mar 2023 21:16:13 +0000 http://arachnoid.com/python/weatherreader/index.html http://arachnoid.com/python/weatherreader/index.html Common questions about tank volume computation. Wed, 01 Mar 2023 20:50:35 +0000 http://arachnoid.com/TankCalc/inquiries.html http://arachnoid.com/TankCalc/inquiries.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 20:50:35 +0000 http://arachnoid.com/IPython/installation.html http://arachnoid.com/IPython/installation.html
Speed up Blender renders using networked machines. ]]> Wed, 01 Mar 2023 17:42:02 +0000 http://arachnoid.com/python/blender_network_render/index.html http://arachnoid.com/python/blender_network_render/index.html A creative Blender graphics project Wed, 01 Mar 2023 17:36:18 +0000 http://arachnoid.com/blender_make_a_planet/index.html http://arachnoid.com/blender_make_a_planet/index.html Designing optical elements in the Blender graphics workshop Wed, 01 Mar 2023 17:36:18 +0000 http://arachnoid.com/blender_graphics/index.html http://arachnoid.com/blender_graphics/index.html A polynomial regression data fit application with some technical background. Wed, 01 Mar 2023 17:36:15 +0000 http://arachnoid.com/polysolve/java_version.html http://arachnoid.com/polysolve/java_version.html
Remember the expression "peak oil"? A similar apex — and descent — may define our future. ]]> Wed, 01 Mar 2023 17:36:15 +0000 http://arachnoid.com/peak_people/index.html http://arachnoid.com/peak_people/index.html
An exploration in pure mathematics. ]]> Wed, 01 Mar 2023 17:36:15 +0000 http://arachnoid.com/mandelbrot_set/index.html http://arachnoid.com/mandelbrot_set/index.html The Mathematics of Population Increase. Equations, examples, speech about overpopulation. Wed, 01 Mar 2023 17:36:15 +0000 http://arachnoid.com/lutusp/populati.html http://arachnoid.com/lutusp/populati.html
Things you should know about investing. ]]> Wed, 01 Mar 2023 17:36:15 +0000 http://arachnoid.com/equities_myths/index.html http://arachnoid.com/equities_myths/index.html Ignorance is knowledge — or is it the other way around? Wed, 01 Mar 2023 17:36:12 +0000 http://arachnoid.com/wrong/index.html http://arachnoid.com/wrong/index.html
A collection of brief, entertaining expositions. ]]> Wed, 01 Mar 2023 17:36:11 +0000 http://arachnoid.com/carnival/index.html http://arachnoid.com/carnival/index.html Theories set science apart from stamp collecting. Wed, 01 Mar 2023 17:36:11 +0000 http://arachnoid.com/theory/index.html http://arachnoid.com/theory/index.html
Another special-shape storage tank. ]]> Wed, 01 Mar 2023 17:36:11 +0000 http://arachnoid.com/tank_slope_bottom/index.html http://arachnoid.com/tank_slope_bottom/index.html
Approaches to managing storage tanks. ]]> Wed, 01 Mar 2023 17:36:11 +0000 http://arachnoid.com/tank_profiling/index.html http://arachnoid.com/tank_profiling/index.html A Python / GStreamer based signal generator. Wed, 01 Mar 2023 17:36:11 +0000 http://arachnoid.com/python/signalgen_program.html http://arachnoid.com/python/signalgen_program.html A completely rewritten essay on Asperger's and related issues. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/psychology/aspergers.html http://arachnoid.com/psychology/aspergers.html An in-depth look at a fascinating technique. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/phase_locked_loop/index.html http://arachnoid.com/phase_locked_loop/index.html Dynamics of gravitational equations. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/gravitation_equations/power_energy_gravity.html http://arachnoid.com/gravitation_equations/power_energy_gravity.html Masses in flight. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/gravitation_equations/orbital_mechanics.html http://arachnoid.com/gravitation_equations/orbital_mechanics.html Swinging physics. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/gravitation_equations/pendulum.html http://arachnoid.com/gravitation_equations/pendulum.html A collection of gravitational resources. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/gravitation_equations/index.html http://arachnoid.com/gravitation_equations/index.html Static application of gravitational equations. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/gravitation_equations/force_weight.html http://arachnoid.com/gravitation_equations/force_weight.html Projectile paths without air resistance. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/gravitation_equations/ballistics.html http://arachnoid.com/gravitation_equations/ballistics.html A classic Apple ][ program that performed music in two voices. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/electric_duet/index.html http://arachnoid.com/electric_duet/index.html A spectacular celestial event. Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/eclipse_2017/index.html http://arachnoid.com/eclipse_2017/index.html
On the architecture of modern science. ]]> Wed, 01 Mar 2023 17:36:10 +0000 http://arachnoid.com/building_science/index.html http://arachnoid.com/building_science/index.html
An interactive exposition of a key probability method. ]]> Wed, 01 Mar 2023 16:02:01 +0000 http://arachnoid.com/binomial_probability/index.html http://arachnoid.com/binomial_probability/index.html
An easy solution to a difficult problem. ]]> Wed, 01 Mar 2023 15:59:35 +0000 http://arachnoid.com/area_irregular_polygon/index.html http://arachnoid.com/area_irregular_polygon/index.html Answers to common questions from social news forums. Wed, 01 Mar 2023 15:58:18 +0000 http://arachnoid.com/answers/index.html http://arachnoid.com/answers/index.html
The article set for the 2015 Alaska expedition. ]]> Wed, 01 Mar 2023 15:54:56 +0000 http://arachnoid.com/alaska2015/photospheres.html http://arachnoid.com/alaska2015/photospheres.html
The article set for the 2013 Alaska expedition. ]]> Wed, 01 Mar 2023 15:53:38 +0000 http://arachnoid.com/alaska2013/tides_in_bays.html http://arachnoid.com/alaska2013/tides_in_bays.html A concise summary of trigonometric equations. Wed, 01 Mar 2023 15:52:27 +0000 http://arachnoid.com/TrigonometricRelations/index.html http://arachnoid.com/TrigonometricRelations/index.html
A Python dimension-profile storage tank analyzer. ]]> Wed, 01 Mar 2023 15:51:21 +0000 http://arachnoid.com/TankProfiler/index.html http://arachnoid.com/TankProfiler/index.html
Analyzing and modeling a real-world tank with an odd shape. ]]> Wed, 01 Mar 2023 15:50:27 +0000 http://arachnoid.com/TankProfiler/case_history.html http://arachnoid.com/TankProfiler/case_history.html
A powerful flow-based storage tank analyzer. ]]> Wed, 01 Mar 2023 15:49:28 +0000 http://arachnoid.com/TankFlow/index.html http://arachnoid.com/TankFlow/index.html
An in-depth look at storage tank volume measurement. ]]> Wed, 01 Mar 2023 15:48:24 +0000 http://arachnoid.com/TankCalc/volumes_in_depth.html http://arachnoid.com/TankCalc/volumes_in_depth.html
A JavaScript-based signal generation / analysis utility. ]]> Wed, 01 Mar 2023 15:46:08 +0000 http://arachnoid.com/SigGen/index.html http://arachnoid.com/SigGen/index.html
A rather nice portable shortwave radio. ]]> Wed, 01 Mar 2023 15:44:32 +0000 http://arachnoid.com/Sangean_ATS-909X/index.html http://arachnoid.com/Sangean_ATS-909X/index.html
A powerful Python-based software-defined radio (SDR). ]]> Wed, 01 Mar 2023 15:43:24 +0000 http://arachnoid.com/PLSDR/index.html http://arachnoid.com/PLSDR/index.html
A convenient JavaScript calculator for Snell's Law results. ]]> Wed, 01 Mar 2023 15:41:59 +0000 http://arachnoid.com/OpticalRayTracer/snells_law_calculator.html http://arachnoid.com/OpticalRayTracer/snells_law_calculator.html
A Java-based signal generator. ]]> Wed, 01 Mar 2023 15:39:46 +0000 http://arachnoid.com/JSigGen/index.html http://arachnoid.com/JSigGen/index.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 15:38:50 +0000 http://arachnoid.com/IPython/tips_tricks.html http://arachnoid.com/IPython/tips_tricks.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 15:28:06 +0000 http://arachnoid.com/IPython/normal_distribution.html http://arachnoid.com/IPython/normal_distribution.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 15:25:49 +0000 http://arachnoid.com/IPython/index.html http://arachnoid.com/IPython/index.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 15:24:32 +0000 http://arachnoid.com/IPython/getting_started.html http://arachnoid.com/IPython/getting_started.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 15:23:17 +0000 http://arachnoid.com/IPython/fourier_transforms.html http://arachnoid.com/IPython/fourier_transforms.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 15:22:07 +0000 http://arachnoid.com/IPython/equation_solving.html http://arachnoid.com/IPython/equation_solving.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 15:20:55 +0000 http://arachnoid.com/IPython/equation_processing.html http://arachnoid.com/IPython/equation_processing.html
A tool that manipulates mathematics as a word processor manipulates words. ]]> Wed, 01 Mar 2023 15:19:14 +0000 http://arachnoid.com/IPython/differential_equations.html http://arachnoid.com/IPython/differential_equations.html A rewritten Java/JavaScript biquadratic filter designer. Wed, 01 Mar 2023 15:16:05 +0000 http://arachnoid.com/BiQuadDesigner/index.html http://arachnoid.com/BiQuadDesigner/index.html
A concise relativity tutorial. ]]> Wed, 01 Mar 2023 15:06:28 +0000 http://arachnoid.com/relativity/index.html http://arachnoid.com/relativity/index.html Reflections on a life of change. Sun, 29 Jan 2023 07:15:47 +0000 http://arachnoid.com/transitions/index.html http://arachnoid.com/transitions/index.html
A Java Navtex marine weather receiver/converter. ]]> Sun, 22 Jan 2023 18:03:59 +0000 http://arachnoid.com/JNX/index.html http://arachnoid.com/JNX/index.html A free, mobile-friendly, open-source dynamic map application. Sat, 14 Jan 2023 23:02:38 +0000 http://arachnoid.com/FreeMap/map.html http://arachnoid.com/FreeMap/map.html A recently updated, interactive JavaScript application that computes sunrise/sunset/day length for any location on Earth. Thu, 12 Jan 2023 11:50:55 +0000 http://arachnoid.com/lutusp/sunrise/index.html http://arachnoid.com/lutusp/sunrise/index.html A Web-based geostationary satellite locator. Thu, 12 Jan 2023 11:49:23 +0000 http://arachnoid.com/satfinderonline/index.html http://arachnoid.com/satfinderonline/index.html Lake Powell water levels, using an Internet data source. Sat, 31 Dec 2022 03:34:12 +0000 http://arachnoid.com/NaturalResources/powell.html http://arachnoid.com/NaturalResources/powell.html Lake Mead Water Levels, using an Internet data source. Sat, 31 Dec 2022 03:32:26 +0000 http://arachnoid.com/NaturalResources/image.php http://arachnoid.com/NaturalResources/image.php Lake Mead Water Levels, using an Internet data source. Sat, 31 Dec 2022 03:32:26 +0000 http://arachnoid.com/NaturalResources/index.html http://arachnoid.com/NaturalResources/index.html Reflections on twisted parenthood. Mon, 26 Dec 2022 16:54:30 +0000 http://arachnoid.com/reader_exchanges/expertly_dysfunctional.html http://arachnoid.com/reader_exchanges/expertly_dysfunctional.html
How to create photo-realistic graphics using Pov-Ray and associated programs. ]]> Fri, 25 Nov 2022 17:23:23 +0000 http://arachnoid.com/raytracing/index.html http://arachnoid.com/raytracing/index.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:46 +0000 http://arachnoid.com/raytracing/telescope2.html http://arachnoid.com/raytracing/telescope2.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:46 +0000 http://arachnoid.com/raytracing/third_image.html http://arachnoid.com/raytracing/third_image.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:46 +0000 http://arachnoid.com/raytracing/anaglyh_generator_perl_script.html http://arachnoid.com/raytracing/anaglyh_generator_perl_script.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:46 +0000 http://arachnoid.com/raytracing/the_process.html http://arachnoid.com/raytracing/the_process.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:46 +0000 http://arachnoid.com/raytracing/anaglyphic_3d.html http://arachnoid.com/raytracing/anaglyphic_3d.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:46 +0000 http://arachnoid.com/raytracing/orientation.html http://arachnoid.com/raytracing/orientation.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:46 +0000 http://arachnoid.com/raytracing/intro_blowup.html http://arachnoid.com/raytracing/intro_blowup.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:46 +0000 http://arachnoid.com/raytracing/telescope1.html http://arachnoid.com/raytracing/telescope1.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:45 +0000 http://arachnoid.com/raytracing/csg.html http://arachnoid.com/raytracing/csg.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:45 +0000 http://arachnoid.com/raytracing/animation.html http://arachnoid.com/raytracing/animation.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:45 +0000 http://arachnoid.com/raytracing/lenses.html http://arachnoid.com/raytracing/lenses.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:45 +0000 http://arachnoid.com/raytracing/second_image.html http://arachnoid.com/raytracing/second_image.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:45 +0000 http://arachnoid.com/raytracing/first_image.html http://arachnoid.com/raytracing/first_image.html Ray Tracing using Pov-Ray and associated programs. Fri, 25 Nov 2022 17:21:45 +0000 http://arachnoid.com/raytracing/basics.html http://arachnoid.com/raytracing/basics.html
The global privacy policy for all arachnoid.com Android applications hosted on Google Play. ]]> Wed, 23 Nov 2022 18:32:15 +0000 http://arachnoid.com/android/privacy_policy/index.html http://arachnoid.com/android/privacy_policy/index.html Select and view local photospheres. Mon, 25 Jul 2022 02:25:29 +0000 http://arachnoid.com/3DViewer/index.html http://arachnoid.com/3DViewer/index.html An inquiry about intelligence. Sun, 24 Jul 2022 20:59:28 +0000 http://arachnoid.com/reader_exchanges/How_does_it_feel.html http://arachnoid.com/reader_exchanges/How_does_it_feel.html Lake Mohave water levels, using an Internet data source. Sun, 12 Jun 2022 17:26:49 +0000 http://arachnoid.com/NaturalResources/mohave.html http://arachnoid.com/NaturalResources/mohave.html Lake Havasu water levels, using an Internet data source. Sun, 12 Jun 2022 17:26:29 +0000 http://arachnoid.com/NaturalResources/havasu.html http://arachnoid.com/NaturalResources/havasu.html A Web-based geostationary satellite locator. Sun, 15 May 2022 16:04:51 +0000 http://arachnoid.com/satfinderonline/satfinderphp.php http://arachnoid.com/satfinderonline/satfinderphp.php
Recently upgraded to version 5.5. ]]> Wed, 11 May 2022 20:02:02 +0000 http://arachnoid.com/arachnophilia/index.htm http://arachnoid.com/arachnophilia/index.htm
Recently upgraded to version 5.5. ]]> Wed, 11 May 2022 20:02:02 +0000 http://arachnoid.com/arachnophilia/index.php http://arachnoid.com/arachnophilia/index.php
Recently upgraded to version 5.5. ]]> Wed, 11 May 2022 20:02:02 +0000 http://arachnoid.com/arachnophilia/index.html http://arachnoid.com/arachnophilia/index.html
Choosing the right course of study. ]]> Thu, 07 Apr 2022 16:13:13 +0000 http://arachnoid.com/best_and_worst_college_majors/index.html http://arachnoid.com/best_and_worst_college_majors/index.html A three-dimensional particle physics playground. Sat, 02 Apr 2022 21:37:34 +0000 http://arachnoid.com/particle_box/index.html http://arachnoid.com/particle_box/index.html A discussion of Olbers' Paradox, the Big Bang and related issues — 20th anniversary edition. Thu, 31 Mar 2022 07:25:42 +0000 http://arachnoid.com/sky/index.php http://arachnoid.com/sky/index.php A discussion of Olbers' Paradox, the Big Bang and related issues — 20th anniversary edition. Thu, 31 Mar 2022 07:25:42 +0000 http://arachnoid.com/sky/index.html http://arachnoid.com/sky/index.html A reminiscence about programming in the era before personal computers. Mon, 28 Mar 2022 06:06:32 +0000 http://arachnoid.com/programmable_calculators/index.html http://arachnoid.com/programmable_calculators/index.html Use a drone to rig a climbing line. Sun, 16 Jan 2022 22:11:59 +0000 http://arachnoid.com/high_line_rigging/index.html http://arachnoid.com/high_line_rigging/index.html An interactive JavaScript regular expression processing engine. Fri, 19 Nov 2021 23:31:25 +0000 http://arachnoid.com/regex_lab/index.html http://arachnoid.com/regex_lab/index.html Deal with YouTube's worst behaviors. Fri, 19 Nov 2021 01:38:56 +0000 http://arachnoid.com/VLC_utility/index.html http://arachnoid.com/VLC_utility/index.html
An Android-based alarm/timer program ]]> Thu, 11 Nov 2021 17:23:08 +0000 http://arachnoid.com/android/CarpeTempus/index.html http://arachnoid.com/android/CarpeTempus/index.html Selected replies to my article "Psychology and Neuroscience". Sat, 16 Oct 2021 07:05:23 +0000 http://arachnoid.com/psychology_and_neuroscience/reader_feedback.html http://arachnoid.com/psychology_and_neuroscience/reader_feedback.html An updated version of the teleprompter display. Thu, 15 Jul 2021 16:46:52 +0000 http://arachnoid.com/teleprompteronline/index.html http://arachnoid.com/teleprompteronline/index.html A frequently updated essay on Asperger's and related issues. Mon, 28 Jun 2021 15:09:59 +0000 http://arachnoid.com/psychology/aspergers_pdf.html http://arachnoid.com/psychology/aspergers_pdf.html Selected Replies to "Asperger's by Proxy". Wed, 23 Jun 2021 04:57:57 +0000 http://arachnoid.com/psychology/feedback2.html http://arachnoid.com/psychology/feedback2.html
An introduction to quadcopter-based photospheres from Alaska, Canada and the Western U.S.. ]]> Sat, 22 May 2021 23:16:52 +0000 http://arachnoid.com/drones/photosphere_gallery.html http://arachnoid.com/drones/photosphere_gallery.html Article: The levels of Human Experience. Discusses the four ways we have of processing our experiences. Sun, 07 Mar 2021 07:25:28 +0000 http://arachnoid.com/levels/feelings.html http://arachnoid.com/levels/feelings.html EasyTuner Home Page. An Excel spreadsheet that tunes your radio. Sat, 26 Dec 2020 23:12:16 +0000 http://arachnoid.com/easytuner/index.html http://arachnoid.com/easytuner/index.html How people see coincidence as destiny. Wed, 16 Dec 2020 16:39:02 +0000 http://arachnoid.com/randomness/index.html http://arachnoid.com/randomness/index.html People sometimes make life easy for cybercriminals. Sun, 06 Dec 2020 23:47:05 +0000 http://arachnoid.com/opinion/help_the_crooks.html http://arachnoid.com/opinion/help_the_crooks.html The evidence-based revolution in psychology. Wed, 04 Nov 2020 01:50:11 +0000 http://arachnoid.com/psychology/myth.html http://arachnoid.com/psychology/myth.html The proper role of science. Sat, 31 Oct 2020 16:45:28 +0000 http://arachnoid.com/doubt/index.html http://arachnoid.com/doubt/index.html The article set for the 2010 Alaska expedition. Sat, 31 Oct 2020 16:19:01 +0000 http://arachnoid.com/alaska2010/rescue.html http://arachnoid.com/alaska2010/rescue.html Selected Replies to "A Society of Victims". Thu, 29 Oct 2020 23:28:25 +0000 http://arachnoid.com/psychology/feedback4.html http://arachnoid.com/psychology/feedback4.html Who are these people and why are they invading my mailbox? Thu, 29 Oct 2020 23:22:42 +0000 http://arachnoid.com/opinion/narcissist_appreciation_society.html http://arachnoid.com/opinion/narcissist_appreciation_society.html A discussion with someone ... who doesn't know what science is. Thu, 29 Oct 2020 23:07:03 +0000 http://arachnoid.com/reader_exchanges/psycho_science.html http://arachnoid.com/reader_exchanges/psycho_science.html A Conversation with a Parent. Thu, 29 Oct 2020 23:05:44 +0000 http://arachnoid.com/reader_exchanges/autism_is_real.html http://arachnoid.com/reader_exchanges/autism_is_real.html
An Android-based satellite dish resource ]]> Thu, 29 Oct 2020 22:17:29 +0000 http://arachnoid.com/android/SatFinderAndroid/index.html http://arachnoid.com/android/SatFinderAndroid/index.html Selected reader correspondence. Thu, 29 Oct 2020 20:45:33 +0000 http://arachnoid.com/what_is_science/feedback.html http://arachnoid.com/what_is_science/feedback.html Selected Replies to "The Trouble with Psychology". Thu, 29 Oct 2020 20:44:41 +0000 http://arachnoid.com/trouble_with_psychology/feedback.html http://arachnoid.com/trouble_with_psychology/feedback.html Reader feedback for the article "Transitions". Thu, 29 Oct 2020 20:43:09 +0000 http://arachnoid.com/transitions/feedback.html http://arachnoid.com/transitions/feedback.html A deceptively simple idea we all need to understand. Thu, 29 Oct 2020 20:41:23 +0000 http://arachnoid.com/symmetry/feedback.html http://arachnoid.com/symmetry/feedback.html A discussion of Olbers' Paradox, the Big Bang and related issues. Thu, 29 Oct 2020 20:40:23 +0000 http://arachnoid.com/sky/feedback.html http://arachnoid.com/sky/feedback.html Reader responses to the article Scientific Paradigm. Thu, 29 Oct 2020 20:38:39 +0000 http://arachnoid.com/scientific_paradigm/feedback.html http://arachnoid.com/scientific_paradigm/feedback.html
Reader responses to the article Science of Mind. ]]> Thu, 29 Oct 2020 20:37:46 +0000 http://arachnoid.com/science_of_mind/feedback.html http://arachnoid.com/science_of_mind/feedback.html Reader responses to the article Restoring Mars. Thu, 29 Oct 2020 20:36:07 +0000 http://arachnoid.com/restoring_mars/feedback.html http://arachnoid.com/restoring_mars/feedback.html This really happened. I didn't make it up. Thu, 29 Oct 2020 20:35:08 +0000 http://arachnoid.com/reader_exchanges/where_is_my_data.html http://arachnoid.com/reader_exchanges/where_is_my_data.html A reader plays the gender card. Thu, 29 Oct 2020 18:19:02 +0000 http://arachnoid.com/reader_exchanges/what_do_you_have_against_women.html http://arachnoid.com/reader_exchanges/what_do_you_have_against_women.html Another psychology student tries to assert psychology is a science. Thu, 29 Oct 2020 18:18:15 +0000 http://arachnoid.com/reader_exchanges/psychology_101.html http://arachnoid.com/reader_exchanges/psychology_101.html Thinking deep and shallow. Thu, 29 Oct 2020 18:16:51 +0000 http://arachnoid.com/reader_exchanges/on_evil.html http://arachnoid.com/reader_exchanges/on_evil.html A struggle with Asperger's. Thu, 29 Oct 2020 18:15:49 +0000 http://arachnoid.com/reader_exchanges/not_fair.html http://arachnoid.com/reader_exchanges/not_fair.html Short exchanges on various subjects. Thu, 29 Oct 2020 18:12:39 +0000 http://arachnoid.com/reader_exchanges/miscellaneous.html http://arachnoid.com/reader_exchanges/miscellaneous.html A discussion about practically everything. Thu, 29 Oct 2020 18:01:20 +0000 http://arachnoid.com/reader_exchanges/mental_health_and_evolution.html http://arachnoid.com/reader_exchanges/mental_health_and_evolution.html A wide-ranging conversation about media studies, Asperger's and many other topics. Thu, 29 Oct 2020 18:00:21 +0000 http://arachnoid.com/reader_exchanges/media_studies.html http://arachnoid.com/reader_exchanges/media_studies.html Another psychologist weighs in on science and psychology. Thu, 29 Oct 2020 17:59:48 +0000 http://arachnoid.com/reader_exchanges/inappropriate_title.html http://arachnoid.com/reader_exchanges/inappropriate_title.html A debate with a reader on the topic of education. Thu, 29 Oct 2020 17:58:30 +0000 http://arachnoid.com/reader_exchanges/education.html http://arachnoid.com/reader_exchanges/education.html A conversation with a concerned parent. Thu, 29 Oct 2020 17:57:58 +0000 http://arachnoid.com/reader_exchanges/difficult_choices.html http://arachnoid.com/reader_exchanges/difficult_choices.html A discussion of the Big Bang and related issues. Thu, 29 Oct 2020 17:56:38 +0000 http://arachnoid.com/reader_exchanges/cosmology.html http://arachnoid.com/reader_exchanges/cosmology.html How science differs from religion. Thu, 29 Oct 2020 17:54:41 +0000 http://arachnoid.com/reader_exchanges/authority_in_science.html http://arachnoid.com/reader_exchanges/authority_in_science.html Selected Replies to "The Myth of Mental Illness". Thu, 29 Oct 2020 17:49:12 +0000 http://arachnoid.com/psychology/myth_feedback.html http://arachnoid.com/psychology/myth_feedback.html Selected replies to my article "Is Psychology a Science?". Thu, 29 Oct 2020 17:45:21 +0000 http://arachnoid.com/psychology/feedback1.html http://arachnoid.com/psychology/feedback1.html Readers respond to this article Thu, 29 Oct 2020 17:43:48 +0000 http://arachnoid.com/psychology/aspergers_and_parenting_feedback.html http://arachnoid.com/psychology/aspergers_and_parenting_feedback.html Reader discussions of the article "Social Narcissism". Thu, 29 Oct 2020 17:42:57 +0000 http://arachnoid.com/opinion/social_narcissism_feedback.html http://arachnoid.com/opinion/social_narcissism_feedback.html A discussion of religious belief Thu, 29 Oct 2020 17:41:22 +0000 http://arachnoid.com/opinion/religion_feedback.html http://arachnoid.com/opinion/religion_feedback.html Reader feedback for the article "When does it become murder?". Thu, 29 Oct 2020 17:35:28 +0000 http://arachnoid.com/opinion/capital_punishment_feedback.html http://arachnoid.com/opinion/capital_punishment_feedback.html Reader responses to 'Is Mathematics a Science?' Thu, 29 Oct 2020 17:33:27 +0000 http://arachnoid.com/is_math_a_science/feedback.html http://arachnoid.com/is_math_a_science/feedback.html What we can learn from biology's most important theory. Thu, 29 Oct 2020 17:31:12 +0000 http://arachnoid.com/evolution/evolution_feedback.html http://arachnoid.com/evolution/evolution_feedback.html If you didn't see this coming, you haven't been paying attention. Thu, 29 Oct 2020 17:30:15 +0000 http://arachnoid.com/doubt/feedback.html http://arachnoid.com/doubt/feedback.html An exploration of a recent discovery in cosmology. Thu, 29 Oct 2020 17:28:49 +0000 http://arachnoid.com/dark_energy/feedback.html http://arachnoid.com/dark_energy/feedback.html Selected Replies to "Building Science". Thu, 29 Oct 2020 17:25:52 +0000 http://arachnoid.com/building_science/feedback.html http://arachnoid.com/building_science/feedback.html Reader responses to the "Boycott Microsoft" article. Thu, 29 Oct 2020 17:22:01 +0000 http://arachnoid.com/boycott/boycott_feedback.html http://arachnoid.com/boycott/boycott_feedback.html If you didn't see this coming, you haven't been paying attention. Thu, 29 Oct 2020 17:19:58 +0000 http://arachnoid.com/artificial_womb/feedback.html http://arachnoid.com/artificial_womb/feedback.html Feedback to The Anti-Spam Home Page Thu, 29 Oct 2020 17:15:18 +0000 http://arachnoid.com/anti_spam/feedback_antispam.html http://arachnoid.com/anti_spam/feedback_antispam.html reader feedback for my article "Children of Narcissus". Thu, 29 Oct 2020 17:03:20 +0000 http://arachnoid.com/ChildrenOfNarcissus/feedback.html http://arachnoid.com/ChildrenOfNarcissus/feedback.html Questions most frequently asked. Thu, 29 Oct 2020 16:59:43 +0000 http://arachnoid.com/arachnophilia/arachnofaq.html http://arachnoid.com/arachnophilia/arachnofaq.html Questions most frequently asked. Thu, 29 Oct 2020 16:59:43 +0000 http://arachnoid.com/arachnophilia/Documentation/arachnofaq.html http://arachnoid.com/arachnophilia/Documentation/arachnofaq.html A database listing versions and changes. Thu, 29 Oct 2020 16:59:42 +0000 http://arachnoid.com/arachnophilia/Documentation/RevHistory.html http://arachnoid.com/arachnophilia/Documentation/RevHistory.html Reader inquiries and comments about SSHelper. Thu, 29 Oct 2020 15:22:19 +0000 http://arachnoid.com/android/SSHelper/feedback.html http://arachnoid.com/android/SSHelper/feedback.html
A personal finance program. ]]> Thu, 29 Oct 2020 15:20:06 +0000 http://arachnoid.com/PLCash/index.html http://arachnoid.com/PLCash/index.html Reader feedback about the OpticalRayTracer program. Thu, 29 Oct 2020 15:18:40 +0000 http://arachnoid.com/OpticalRayTracer/feedback.html http://arachnoid.com/OpticalRayTracer/feedback.html
On the transition from psychology to neuroscience. ]]> Thu, 10 Sep 2020 15:52:41 +0000 http://arachnoid.com/psychology_and_neuroscience/index_pdf.html http://arachnoid.com/psychology_and_neuroscience/index_pdf.html
An Android-based multi-protocol server ]]> Fri, 28 Aug 2020 09:22:35 +0000 http://arachnoid.com/android/SSHelper/index.html http://arachnoid.com/android/SSHelper/index.html A very hypothetical conversation with a visitor from afar. Wed, 26 Aug 2020 14:37:42 +0000 http://arachnoid.com/lutusp/alien.html http://arachnoid.com/lutusp/alien.html
An Android worldwide tide/current prediction program. ]]> Tue, 25 Aug 2020 21:52:56 +0000 http://arachnoid.com/android/TidePredictor/index.html http://arachnoid.com/android/TidePredictor/index.html
An Android-based navigation/anchor watch program ]]> Tue, 25 Aug 2020 21:35:43 +0000 http://arachnoid.com/android/AnchorSentinel/index.html http://arachnoid.com/android/AnchorSentinel/index.html
Notes on some old navigation programs that date back to my around-the-world sail. ]]> Thu, 30 Jul 2020 15:40:46 +0000 http://arachnoid.com/celestial_navigation/index.html http://arachnoid.com/celestial_navigation/index.html Modern methods to copy, archive and communicate. Tue, 17 Mar 2020 00:50:07 +0000 http://arachnoid.com/SecureShell/index.html http://arachnoid.com/SecureShell/index.html A new kind of computer. Sun, 02 Feb 2020 20:06:06 +0000 http://arachnoid.com/intel_nuc/index.html http://arachnoid.com/intel_nuc/index.html A Web page submission form. Sun, 22 Dec 2019 09:42:10 +0000 http://arachnoid.com/administration/submit.php http://arachnoid.com/administration/submit.php A matrix-based data analysis method. Wed, 04 Dec 2019 23:20:15 +0000 http://arachnoid.com/sage/polynomial.html http://arachnoid.com/sage/polynomial.html An easy, intuitive way to evaluate a field's scientific standing. Tue, 29 Oct 2019 00:50:12 +0000 http://arachnoid.com/science_litmus_test/index.html http://arachnoid.com/science_litmus_test/index.html A Ruby application to create round HTML table corners. Sun, 29 Sep 2019 20:00:09 +0000 http://arachnoid.com/ruby/roundTableCorners.html http://arachnoid.com/ruby/roundTableCorners.html The first steps. Sun, 29 Sep 2019 19:56:27 +0000 http://arachnoid.com/sage/learning_sage.html http://arachnoid.com/sage/learning_sage.html Profiling the dynamics of a falling body. Sun, 29 Sep 2019 19:37:34 +0000 http://arachnoid.com/sage/terminal_velocity.html http://arachnoid.com/sage/terminal_velocity.html How to get Sage running locally. Sun, 29 Sep 2019 19:20:52 +0000 http://arachnoid.com/sage/installation_testing.html http://arachnoid.com/sage/installation_testing.html A free, open-source mathematical workshop. Sun, 29 Sep 2019 19:19:32 +0000 http://arachnoid.com/sage/index.html http://arachnoid.com/sage/index.html Exploring and using the Python computer language, with examples and applications. Sun, 29 Sep 2019 19:14:31 +0000 http://arachnoid.com/python/index.html http://arachnoid.com/python/index.html A free symbolic mathematics package. Sun, 29 Sep 2019 19:12:55 +0000 http://arachnoid.com/maxima/index.html http://arachnoid.com/maxima/index.html A free symbolic mathematics package. Sun, 29 Sep 2019 19:11:12 +0000 http://arachnoid.com/maxima/conclusion.html http://arachnoid.com/maxima/conclusion.html Context-sensitive help page for Home Page Builder. Sun, 29 Sep 2019 18:59:58 +0000 http://arachnoid.com/lutusp/pagehelp.html http://arachnoid.com/lutusp/pagehelp.html This is the entry form for an automated CGI home page builder application. Sun, 29 Sep 2019 18:58:37 +0000 http://arachnoid.com/lutusp/pagebuild.html http://arachnoid.com/lutusp/pagebuild.html How to control your house with a computer. Sun, 29 Sep 2019 18:45:34 +0000 http://arachnoid.com/home_automation/system_controller.html http://arachnoid.com/home_automation/system_controller.html An article that describes Microsoft's history, marketing strategy and increasingly baroque legal requirements. Sun, 29 Sep 2019 18:43:01 +0000 http://arachnoid.com/boycott/index.html http://arachnoid.com/boycott/index.html
The article set for the 2017 Alaska expedition. ]]> Sun, 29 Sep 2019 18:32:59 +0000 http://arachnoid.com/alaska2017/index.html http://arachnoid.com/alaska2017/index.html The article set for the 2009 Alaska expedition. Sun, 29 Sep 2019 18:32:16 +0000 http://arachnoid.com/alaska2009/inverter_charger_relay_technical.html http://arachnoid.com/alaska2009/inverter_charger_relay_technical.html
The article set for the 2008 Alaska expedition. ]]> Sun, 29 Sep 2019 18:28:08 +0000 http://arachnoid.com/alaska2008/index.html http://arachnoid.com/alaska2008/index.html
An efficient Android-scanned library database. ]]> Sun, 29 Sep 2019 18:13:45 +0000 http://arachnoid.com/LibraryDB/index.html http://arachnoid.com/LibraryDB/index.html A deceptively simple idea we all need to understand. Sun, 29 Sep 2019 17:56:00 +0000 http://arachnoid.com/symmetry/index.html http://arachnoid.com/symmetry/index.html The article set for the 2007 Alaska expedition. Sun, 29 Sep 2019 17:52:23 +0000 http://arachnoid.com/alaska2007/bear_sex_01.html http://arachnoid.com/alaska2007/bear_sex_01.html How to win friends overseas by acting stupidly. Sun, 29 Sep 2019 17:37:46 +0000 http://arachnoid.com/opinion/be_nice.html http://arachnoid.com/opinion/be_nice.html A critical evaluation of modern clinical psychology, recently updated. Sun, 29 Sep 2019 17:37:13 +0000 http://arachnoid.com/psychology/psychology_science.html http://arachnoid.com/psychology/psychology_science.html How to bring the Nokia N810 under your control. Sun, 29 Sep 2019 17:34:42 +0000 http://arachnoid.com/linux/nokia/index.html http://arachnoid.com/linux/nokia/index.html Accomodating some recent kernel regressions. Sun, 29 Sep 2019 17:30:27 +0000 http://arachnoid.com/linux/dell_laptops_on_fedora.html http://arachnoid.com/linux/dell_laptops_on_fedora.html A comprehensive study of religious belief. Sun, 29 Sep 2019 17:14:29 +0000 http://arachnoid.com/opinion/religion.html http://arachnoid.com/opinion/religion.html The variety and persistence of human self-deception. Sun, 29 Sep 2019 17:13:07 +0000 http://arachnoid.com/opinion/social_narcissism.html http://arachnoid.com/opinion/social_narcissism.html
How to run a desktop Linux distribution on an Android device. ]]> Sun, 29 Sep 2019 16:45:49 +0000 http://arachnoid.com/android/LinuxOnAndroid/index.html http://arachnoid.com/android/LinuxOnAndroid/index.html Technical notes for installing Linux on a Dell laptop. Sun, 29 Sep 2019 16:44:35 +0000 http://arachnoid.com/linux/dell_xps/index.html http://arachnoid.com/linux/dell_xps/index.html An introduction to Linux, including some history. Sun, 29 Sep 2019 16:38:14 +0000 http://arachnoid.com/linux/index.html http://arachnoid.com/linux/index.html Dealing with some old and new unsolved problems. Sun, 29 Sep 2019 16:36:42 +0000 http://arachnoid.com/linux/fedora_17_notes.html http://arachnoid.com/linux/fedora_17_notes.html The Ruby programming language. A summary with operating hints and programming issues. Sun, 29 Sep 2019 07:14:59 +0000 http://arachnoid.com/ruby/index.html http://arachnoid.com/ruby/index.html A tool for applying a regular expression to large groups of files. Sun, 29 Sep 2019 07:11:39 +0000 http://arachnoid.com/ruby/searchReplaceGlobal/index.html http://arachnoid.com/ruby/searchReplaceGlobal/index.html An exploration of a recent discovery in cosmology. Sun, 29 Sep 2019 06:53:32 +0000 http://arachnoid.com/dark_energy/relativistic_cosmology.html http://arachnoid.com/dark_energy/relativistic_cosmology.html The article set for the 2011 Alaska expedition. Sun, 29 Sep 2019 06:51:07 +0000 http://arachnoid.com/alaska2011/nav_software.html http://arachnoid.com/alaska2011/nav_software.html
Serious obstacles hinder a scientific study of the mind. ]]> Sat, 28 Sep 2019 23:00:38 +0000 http://arachnoid.com/trouble_with_psychology/index.html http://arachnoid.com/trouble_with_psychology/index.html Exploring a unique class of numbers. Mon, 15 Apr 2019 01:20:42 +0000 http://arachnoid.com/prime_numbers/index.html http://arachnoid.com/prime_numbers/index.html
The article set for the 2018 Alaska expedition. ]]> Thu, 04 Apr 2019 15:39:08 +0000 http://arachnoid.com/alaska2018/index.html http://arachnoid.com/alaska2018/index.html
The article set for the 2018 Alaska expedition. ]]> Wed, 03 Apr 2019 10:59:13 +0000 http://arachnoid.com/alaska2018/bears.html http://arachnoid.com/alaska2018/bears.html
The article set for the 2018 Alaska expedition. ]]> Wed, 03 Apr 2019 10:59:10 +0000 http://arachnoid.com/alaska2018/two_rescues.html http://arachnoid.com/alaska2018/two_rescues.html
The article set for the 2018 Alaska expedition. ]]> Wed, 03 Apr 2019 10:58:38 +0000 http://arachnoid.com/alaska2018/easy_electronic_repair.html http://arachnoid.com/alaska2018/easy_electronic_repair.html An evolutionary analysis of narcissism. Mon, 25 Mar 2019 21:48:49 +0000 http://arachnoid.com/ChildrenOfNarcissus/media_portrayals.html http://arachnoid.com/ChildrenOfNarcissus/media_portrayals.html A media overview of my circumnavigation, 1988-1991. Mon, 11 Mar 2019 03:30:16 +0000 http://arachnoid.com/photogallery/world_sail.php http://arachnoid.com/photogallery/world_sail.php Recent photographs from my Alaska cruises. Mon, 11 Mar 2019 03:28:34 +0000 http://arachnoid.com/photogallery/index.php http://arachnoid.com/photogallery/index.php
A multimedia presentation workshop. ]]> Wed, 06 Mar 2019 03:02:52 +0000 http://arachnoid.com/MagicLantern/index.html http://arachnoid.com/MagicLantern/index.html
The article set for the 2013 Alaska expedition. ]]> Sat, 10 Nov 2018 15:55:00 +0000 http://arachnoid.com/alaska2013/index.html http://arachnoid.com/alaska2013/index.html The article set for the 2007 Alaska expedition. Fri, 09 Nov 2018 19:28:33 +0000 http://arachnoid.com/alaska2007/collision.html http://arachnoid.com/alaska2007/collision.html
The article set for the 2007 Alaska expedition. ]]> Fri, 09 Nov 2018 19:20:50 +0000 http://arachnoid.com/alaska2007/index.html http://arachnoid.com/alaska2007/index.html
An efficient way to manage podcasts for offline use. ]]> Sat, 13 Oct 2018 22:10:19 +0000 http://arachnoid.com/python/PodcastRetriever/index.html http://arachnoid.com/python/PodcastRetriever/index.html Python utility programs for use with GnuCash. Thu, 02 Aug 2018 00:50:15 +0000 http://arachnoid.com/gnucash_utilities/index.html http://arachnoid.com/gnucash_utilities/index.html Reddit's effort to censor psychology's critics. Tue, 10 Jul 2018 15:02:52 +0000 http://arachnoid.com/psychology/reddit_psychology.html http://arachnoid.com/psychology/reddit_psychology.html An essay about the myths and pitfalls surrounding stock trading. Mon, 09 Jul 2018 15:25:30 +0000 http://arachnoid.com/stocks/index.html http://arachnoid.com/stocks/index.html An instruction manual in creative self-victimization. Sat, 09 Jun 2018 16:14:58 +0000 http://arachnoid.com/psychology/victimhood.php http://arachnoid.com/psychology/victimhood.php A signal processing workshop, recently rewritten in Java. Mon, 14 May 2018 18:27:30 +0000 http://arachnoid.com/FFTExplorer/index.html http://arachnoid.com/FFTExplorer/index.html
A Java-based SQLite database management tool. ]]> Mon, 07 May 2018 17:56:30 +0000 http://arachnoid.com/JSQLiteClient/index.html http://arachnoid.com/JSQLiteClient/index.html An X windows optical ray tracing application. Thu, 03 May 2018 14:32:53 +0000 http://arachnoid.com/OpticalRayTracer/documentation_old.html http://arachnoid.com/OpticalRayTracer/documentation_old.html
Choosing the right course of study. ]]> Fri, 13 Apr 2018 09:51:10 +0000 http://arachnoid.com/best_and_worst_college_majors/index_pdf.html http://arachnoid.com/best_and_worst_college_majors/index_pdf.html An explanation for my recent articles in PDF form. Fri, 13 Apr 2018 09:51:06 +0000 http://arachnoid.com/latex/why_latex_pdf.html http://arachnoid.com/latex/why_latex_pdf.html
The article set for the 2014 Alaska expedition. ]]> Fri, 13 Apr 2018 09:51:02 +0000 http://arachnoid.com/alaska2014/impeller_pumps.html http://arachnoid.com/alaska2014/impeller_pumps.html An evolutionary analysis of narcissism. Fri, 13 Apr 2018 09:51:01 +0000 http://arachnoid.com/ChildrenOfNarcissus/narcissism.html http://arachnoid.com/ChildrenOfNarcissus/narcissism.html An evolutionary analysis of narcissism. Fri, 13 Apr 2018 09:51:01 +0000 http://arachnoid.com/ChildrenOfNarcissus/authority.html http://arachnoid.com/ChildrenOfNarcissus/authority.html An evolutionary analysis of narcissism. Fri, 13 Apr 2018 09:51:01 +0000 http://arachnoid.com/ChildrenOfNarcissus/index.html http://arachnoid.com/ChildrenOfNarcissus/index.html An evolutionary analysis of narcissism. Fri, 13 Apr 2018 09:51:01 +0000 http://arachnoid.com/ChildrenOfNarcissus/baseline.html http://arachnoid.com/ChildrenOfNarcissus/baseline.html