A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java applets, HTML instruction, home of Arachnophilia. http://www.arachnoid.com A sophisticated, graphical Fast Fourier Transform application for exploring the frequency domain. http://www.arachnoid.com/FFTExplorer/index.html http://www.arachnoid.com/FFTExplorer/index.html A media overview of my circumnavigation, 1988-1991. http://www.arachnoid.com/photogallery/world_sail.php http://www.arachnoid.com/photogallery/world_sail.php Recent photographs from my Alaska cruises. http://www.arachnoid.com/photogallery/index.php http://www.arachnoid.com/photogallery/index.php This article set discusses the four primary ways by which people process their experiences. http://www.arachnoid.com/levels/index.html http://www.arachnoid.com/levels/index.html The article set for the 2002 Alaska expedition. http://www.arachnoid.com/alaska2002/index.html http://www.arachnoid.com/alaska2002/index.html An introduction to Linux, including some history. http://www.arachnoid.com/linux/index.html http://www.arachnoid.com/linux/index.html How to write labor-saving shell scripts in Linux. http://www.arachnoid.com/linux/shell_programming.html http://www.arachnoid.com/linux/shell_programming.html Using secure-shell transactions to improve security. http://www.arachnoid.com/linux/linux_secure_shell_fun_and_games.html http://www.arachnoid.com/linux/linux_secure_shell_fun_and_games.html Technical notes for installing Linux on a Dell laptop. http://www.arachnoid.com/linux/dell_xps/index.html http://www.arachnoid.com/linux/dell_xps/index.html How to bring the Nokia N810 under your control. http://www.arachnoid.com/linux/nokia/index.html http://www.arachnoid.com/linux/nokia/index.html Configuring a cell phone to work as an Internet data modem. http://www.arachnoid.com/linux/linux_mobile_internet_access.html http://www.arachnoid.com/linux/linux_mobile_internet_access.html A how-to for Linux dictionary server/client setup and configuration. http://www.arachnoid.com/linux/dictionary.html http://www.arachnoid.com/linux/dictionary.html A discussion of modern navigation methods. http://www.arachnoid.com/navigation/index.html http://www.arachnoid.com/navigation/index.html A sophisticated PHP MySQL database client. http://www.arachnoid.com/php_writer/index.html http://www.arachnoid.com/php_writer/index.html A convenient network interface controller for Linux. http://www.arachnoid.com/NetworkControl/index.html http://www.arachnoid.com/NetworkControl/index.html A flexible program for accessing and modifying databases. http://www.arachnoid.com/DataProspector/index.html http://www.arachnoid.com/DataProspector/index.html The article set for the 2004 Alaska expedition. http://www.arachnoid.com/alaska2004/index.html http://www.arachnoid.com/alaska2004/index.html How to control your house with a computer. http://www.arachnoid.com/home_automation/index.html http://www.arachnoid.com/home_automation/index.html An easy tutorial that presents the core ideas of Calculus. http://www.arachnoid.com/calculus/index.html http://www.arachnoid.com/calculus/index.html A satellite locator and dish alignment program. http://www.arachnoid.com/satfinder/index.html http://www.arachnoid.com/satfinder/index.html A discussion of Olbers' Paradox, the Big Bang and related issues. http://www.arachnoid.com/sky/index.html http://www.arachnoid.com/sky/index.html A deceptively simple idea we all need to understand. http://www.arachnoid.com/symmetry/index.html http://www.arachnoid.com/symmetry/index.html The article set for the 2007 Alaska expedition. http://www.arachnoid.com/alaska2007/index.html http://www.arachnoid.com/alaska2007/index.html How to create photo-realistic graphics using Pov-Ray and associated programs. http://www.arachnoid.com/raytracing/index.html http://www.arachnoid.com/raytracing/index.html Reflections on a life of change. http://www.arachnoid.com/transitions/index.html http://www.arachnoid.com/transitions/index.html An X windows virtual optical bench, for analyzing systems of lenses. http://www.arachnoid.com/OpticalRayTracer/index.html http://www.arachnoid.com/OpticalRayTracer/index.html A graphic slide set that discusses how ideas are processed and marketed. http://www.arachnoid.com/lutusp/idea_market/index.html http://www.arachnoid.com/lutusp/idea_market/index.html A somewhat tart analysis of consumerism. http://www.arachnoid.com/lutusp/consumerangst.html http://www.arachnoid.com/lutusp/consumerangst.html A very hypothetical conversation with a visitor from afar. http://www.arachnoid.com/lutusp/alien.html http://www.arachnoid.com/lutusp/alien.html A graphic slide set on the topic of science. http://www.arachnoid.com/lutusp/science/index.html http://www.arachnoid.com/lutusp/science/index.html An online, interactive JavaScript application that computes sunrise, sunset, day length for any position on Earth. http://www.arachnoid.com/lutusp/sunrise/index.html http://www.arachnoid.com/lutusp/sunrise/index.html JavaScript World Clock. 24 simultaneous time zones updated in real time. http://www.arachnoid.com/lutusp/worldclock.html http://www.arachnoid.com/lutusp/worldclock.html An updated history of spam and spammers, analysis, suggestions for remedies. http://www.arachnoid.com/lutusp/antispam.html http://www.arachnoid.com/lutusp/antispam.html A speculative slide set on a topic that is still controversial. http://www.arachnoid.com/lutusp/marstalk/index.html http://www.arachnoid.com/lutusp/marstalk/index.html This article discusses some educational and general social aspects of western society. http://www.arachnoid.com/lutusp/symbols.html http://www.arachnoid.com/lutusp/symbols.html A very basic tutorial, plainly worded, for people who hate to read instructions. http://www.arachnoid.com/lutusp/html_tutor.html http://www.arachnoid.com/lutusp/html_tutor.html A comprehensive, interactive JavaScript unit conversion utility. http://www.arachnoid.com/lutusp/conversions.html http://www.arachnoid.com/lutusp/conversions.html An interactive JavaScript financial calculator. http://www.arachnoid.com/lutusp/finance.html http://www.arachnoid.com/lutusp/finance.html A virtual audio signal generator. http://www.arachnoid.com/SignalGen/index.html http://www.arachnoid.com/SignalGen/index.html A free symbolic mathematics package. http://www.arachnoid.com/maxima/index.html http://www.arachnoid.com/maxima/index.html An analysis of narcissism and narcissists, with some real-world examples. http://www.arachnoid.com/psychology/narcissism.php http://www.arachnoid.com/psychology/narcissism.php A completely rewritten essay on Asperger's and related issues. http://www.arachnoid.com/psychology/aspergers.php http://www.arachnoid.com/psychology/aspergers.php A critical evaluation of modern clinical psychology. http://www.arachnoid.com/psychology/index.html http://www.arachnoid.com/psychology/index.html A conversation with a reader. http://www.arachnoid.com/psychology/narcissism_revisited.html http://www.arachnoid.com/psychology/narcissism_revisited.html An instruction manual in creative self-victimization. http://www.arachnoid.com/psychology/victimhood.php http://www.arachnoid.com/psychology/victimhood.php The article set for the 2006 Alaska expedition. http://www.arachnoid.com/alaska2006/index.html http://www.arachnoid.com/alaska2006/index.html The online version of "Confessions of a Long-Distance Sailor". This is a free e-book that describes my four-year solo sail around the world http://www.arachnoid.com/sailbook/index.html http://www.arachnoid.com/sailbook/index.html A practicum on Fourier analysis and signal processing. http://www.arachnoid.com/signal_processing/index.html http://www.arachnoid.com/signal_processing/index.html A JavaScript quotation generator applet, useful as a Web page component, recently rewritten. http://www.arachnoid.com/quoter/index.html http://www.arachnoid.com/quoter/index.html The article set for the 2003 Alaska expedition. http://www.arachnoid.com/alaska2003/index.html http://www.arachnoid.com/alaska2003/index.html An exploration of a recent discovery in cosmology. http://www.arachnoid.com/dark_energy/index.html http://www.arachnoid.com/dark_energy/index.html Ruby Gravitation. A Ruby program that models gravitation in real-time, as well as an article describing the physics of gravitation and computer modeling. http://www.arachnoid.com/ruby/gravity/index.html http://www.arachnoid.com/ruby/gravity/index.html The Ruby programming language. A summary with operating hints and programming issues. http://www.arachnoid.com/ruby/index.html http://www.arachnoid.com/ruby/index.html A music collection organizer written in Ruby. http://www.arachnoid.com/ruby/playlists/index.html http://www.arachnoid.com/ruby/playlists/index.html A tool for applying a regular expression to large groups of files. http://www.arachnoid.com/ruby/searchReplaceGlobal/index.html http://www.arachnoid.com/ruby/searchReplaceGlobal/index.html A method to link your GPS receiver to Google Maps and Google Earth. http://www.arachnoid.com/ruby/gpsmap/index.html http://www.arachnoid.com/ruby/gpsmap/index.html How to design a GUI interface for your Ruby program.. http://www.arachnoid.com/ruby/RubyGUIProject/index.html http://www.arachnoid.com/ruby/RubyGUIProject/index.html A beautifier for Ruby source files ... written in Ruby. http://www.arachnoid.com/ruby/rubyBeautifier.html http://www.arachnoid.com/ruby/rubyBeautifier.html Graphinity, a graphing and analysis application written in Ruby. http://www.arachnoid.com/ruby/graphinity/index.html http://www.arachnoid.com/ruby/graphinity/index.html A Ruby project that tells Icom radios what to do. http://www.arachnoid.com/ruby/icom_radio_controller/index.html http://www.arachnoid.com/ruby/icom_radio_controller/index.html A Ruby script that creates round corners using pure CSS methods. http://www.arachnoid.com/ruby/round_css_corners/index.html http://www.arachnoid.com/ruby/round_css_corners/index.html An analysis of capital punishment. http://www.arachnoid.com/opinion/capital_punishment.html http://www.arachnoid.com/opinion/capital_punishment.html An analysis of online advertising, including a true, first-person account by a victim of online fraud. http://www.arachnoid.com/opinion/networksofsleaze.html http://www.arachnoid.com/opinion/networksofsleaze.html How to decode political speech. http://www.arachnoid.com/opinion/index.html http://www.arachnoid.com/opinion/index.html A discussion of bound books as a last holdout in a world filled with advertising. http://www.arachnoid.com/opinion/books_advertising.html http://www.arachnoid.com/opinion/books_advertising.html A comprehensive study of religious belief. http://www.arachnoid.com/opinion/religion.html http://www.arachnoid.com/opinion/religion.html The variety and persistence of human self-deception. http://www.arachnoid.com/opinion/social_narcissism.html http://www.arachnoid.com/opinion/social_narcissism.html An online analyzer that figures out your bicycle's transmission. http://www.arachnoid.com/bike/index.html http://www.arachnoid.com/bike/index.html A basic tutorial for the C++ computer language. http://www.arachnoid.com/cpptutor/index.html http://www.arachnoid.com/cpptutor/index.html A program for organizing and displaying electronic images. http://www.arachnoid.com/SlideProjector/index.html http://www.arachnoid.com/SlideProjector/index.html Lake Mead Water Levels, using an Internet data source. http://www.arachnoid.com/NaturalResources/index.html http://www.arachnoid.com/NaturalResources/index.html Lake Havasu water levels, using an Internet data source. http://www.arachnoid.com/NaturalResources/havasu.html http://www.arachnoid.com/NaturalResources/havasu.html Lake Mohave water levels, using an Internet data source. http://www.arachnoid.com/NaturalResources/mohave.html http://www.arachnoid.com/NaturalResources/mohave.html Frequently asked questions, mostly about HTML development. http://www.arachnoid.com/generalfaq/index.html http://www.arachnoid.com/generalfaq/index.html An interactive JavaScript regular expression processing engine. http://www.arachnoid.com/regex_lab/index.html http://www.arachnoid.com/regex_lab/index.html An automatic site index generator, used on this site. http://www.arachnoid.com/SiteGen/index.html http://www.arachnoid.com/SiteGen/index.html Recently upgraded to version 5.3. http://www.arachnoid.com/arachnophilia/index.html http://www.arachnoid.com/arachnophilia/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. http://www.arachnoid.com/messages/index.php http://www.arachnoid.com/messages/index.php An easy-to-use tidal-prediction program with a worldwide database. http://www.arachnoid.com/JTides/index.html http://www.arachnoid.com/JTides/index.html An explanation — more of a lecture, actually — about freeware. http://www.arachnoid.com/freeware/index.html http://www.arachnoid.com/freeware/index.html Applying Calculus to a real-world problem. http://www.arachnoid.com/tank_volume/index.html http://www.arachnoid.com/tank_volume/index.html A Java program for personal financial management. http://www.arachnoid.com/PLCash/index.html http://www.arachnoid.com/PLCash/index.html An essay about the myths and pitfalls surrounding stock trading. http://www.arachnoid.com/stocks/index.html http://www.arachnoid.com/stocks/index.html The article set for the 2005 Alaska expedition. http://www.arachnoid.com/alaska2005/index.html http://www.arachnoid.com/alaska2005/index.html A Web-based geostationary satellite locator. http://www.arachnoid.com/satfinderonline/index.php http://www.arachnoid.com/satfinderonline/index.php