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Science is the organized skepticism in the
reliability of expert opinion.
—
Richard Feynman
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P. Lutus
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Storage Tank Modeling
Alaska 2012
The article set for the 2012 Alaska expedition.
Answers
Answers to common questions from social news forums.
Area of an Irregular Polygon
An easy solution to a difficult problem.
Asperger's By Proxy
A frequently updated essay on Asperger's and related issues.
Binomial Probability
An interactive exposition of a key probability method.
Building Science
On the architecture of modern science.
Building Science — Reader Feedback
Selected Replies to "Building Science".
Equities Myths
Things you should know about investing.
Everything You Know is Wrong
Ignorance is knowledge — or is it the other way around?
Evolution
What we can learn from biology's most important theory.
Exploring Mathematics with Sage
A free, open-source mathematical workshop.
For Example ...
An article in which I mourn the untimely passing of the example.
Gravity and Energy
Exploring the interplay of gravity and mass-energy.
JDBClient
A Java-based MySQL database management tool.
Mandelbrot Set
An exploration in pure mathematics.
MySQL Tutorial 1: Overview, Tables, Queries
Getting to know the MySQL database engine.
Physics / Conservation of Energy
An exposition on a principle of physics, and of science.
Physics / Relativity
A concise relativity tutorial.
Prime Numbers
Exploring a unique class of numbers.
Sangean ATS-909X
A rather nice portable shortwave radio.
The Doubt Factory
The proper role of science.
Biography — Paul Lutus
A concise biographical note.
Full Site Search: www.arachnoid.com
A full-site search for words and phrases you choose.
Master Index — arachnoid.com
A full, expandable index to www.arachnoid.com.
Master index — arachnoid.com (no DHTML)
A full index to www.arachnoid.com without DHTML.
CarpeTempus
An Android-based alarm/timer program
SatFinderAndroid
An Android-based satellite dish resource
SSHelper
An Android-based multi-protocol server
TankCalcAndroid
An Android-based storage tank analyzer
Boycott Microsoft
An article that describes Microsoft's history, marketing strategy and increasingly baroque legal requirements.
Everything You Know is Wrong
Ignorance is knowledge — or is it the other way around?
Programming Handheld Calculators
A reminiscence about programming in the era before personal computers.
Stocks and Stockbrokers
An essay about the myths and pitfalls surrounding stock trading.
The Levels of Human Experience
This article set discusses the four primary ways by which people process their experiences.
The Symmetry Principle
A deceptively simple idea we all need to understand.
Arachnophilia
Recently upgraded to version 5.5.
BiQuadDesigner
A Java biquadratic filter designer.
FFTExplorer
A signal processing workshop, recently rewritten in Java.
HDTV Test Pattern
A resource for configuring flat-panel video displays.
IcomProgrammmer II
A Python resource for programming Icom radios.
JDBClient
A Java-based MySQL database management tool.
JNX
A Java Navtex marine weather receiver/converter.
JRX: Virtual Ham Radio
A virtual interface for many amateur radios.
JSigGen
A Java-based signal generator.
JTides Home Page
An easy-to-use tidal-prediction program with a worldwide database.
JWX
A Java short-wave weatherfax receiver/converter.
MagicLantern
A multimedia presentation workshop.
OpticalRayTracer Home Page
A virtual lens design workshop that runs in a Web page.
PLCalc
A powerful scientific/financial calculator.
PLCash
A personal finance program.
Satellite Finder Home Page
A satellite locator and dish alignment program.
NetworkControl
A convenient network interface controller for Linux.
PHP Writer Home Page
A sophisticated PHP MySQL database client.
Satellite Finder Online (JavaScript)
A Web-based geostationary satellite locator.
SignalGen Home Page
A virtual audio signal generator.
SiteGen Home Page
An automatic site index generator, used on this site.
SlideProjector Home Page
A program for organizing and displaying electronic images.
A New Sex Crime — Feedback
Reader replies to the article "A New Sex Crime".
Education
A debate with a reader on the topic of education.
Explanation
A way to organize lengthy reader dialogues.
Feedback to The Anti-Spam Home Page
Feedback to The Anti-Spam Home Page
Media Studies
A wide-ranging conversation about media studies, Asperger's and many other topics.
Miscellaneous Topics
Short exchanges on various subjects.
On Evil
Thinking deep and shallow.
Reader Feedback to "What is Science?"
Selected reader correspondence.
Reader responses to "Is Mathematics a Science?"
Reader responses to 'Is Mathematics a Science?'
Reflections on Cosmology
A discussion of the Big Bang and related issues.
Selected Replies to "When Does it Become Murder?"
Reader feedback for the article "When does it become murder?".
Selected Replies to "The Physics of Dark Energy"
An exploration of a recent discovery in cosmology.
Selected Replies to the article "On Believing"
A discussion of religious belief
What Do You Have Against Women?
A reader plays the gender card.
An Insider's Perspective
A School Psychologist Speaks Out.
Authority in Science
How science differs from religion.
Autism is Real
A Conversation with a Parent.
Building Science — Reader Feedback
Selected Replies to "Building Science".
Can Psychology Ever Become A Science?
A student's inquiry.
Difficult Choices
A conversation with a concerned parent.
Expertly Dysfunctional
Reflections on twisted parenthood.
Explanation
A way to organize lengthy reader dialogues.
I know what science is!
A discussion with someone ... who doesn't know what science is.
Inappropriate Title
Another psychologist weighs in on science and psychology.
Mental Health and Evolution
A discussion about practically everything.
Narcissism Revisited
A conversation about narcissism and self-esteem.
Not Fair!
A struggle with Asperger's.
Psychology 101
Another psychology student tries to assert psychology is a science.
Reader Feedback for "Children of Narcissus"
reader feedback for my article "Children of Narcissus".
Reader Feedback for "How to Raise the Asperger's Child"
Readers respond to this article
Selected Replies to "A Society of Victims"
Selected Replies to "A Society of Victims".
Selected Replies to "Asperger's by Proxy"
Selected Replies to "Asperger's by Proxy".
Selected Replies to "Is Psychology a Science?"
Selected replies to my article "Is Psychology a Science?".
Selected Replies to "The Myth of Mental Illness"
Selected Replies to "The Myth of Mental Illness".
Social Narcissism Feedback
Reader discussions of the article "Social Narcissism".
The Narcissist Appreciation Society
Who are these people and why are they invading my mailbox?
The Trouble with Psychology — Reader Feedback
Selected Replies to "The Trouble with Psychology".
Yes, but ...
A psychology undergraduate speaks out.
IcomControl Home Page
IcomControl Home Page. A controller program for the Icom PCR1000.
IcomProgrammmer II
A Python resource for programming Icom radios.
JNX
A Java Navtex marine weather receiver/converter.
JRX: Virtual Ham Radio
A virtual interface for many amateur radios.
JWX
A Java short-wave weatherfax receiver/converter.
Programming Icom Radios
A Ruby project that tells Icom radios what to do.
RadioComm Home Page
An Icom radio partner program.
Sangean ATS-909X
A rather nice portable shortwave radio.
Are You Overweight?
Are You Overweight? Online, interactive JavaScript application.
ASCII Character Set
A comprehensive list of ASCII character codes
Finance Calculator
An interactive JavaScript financial calculator.
Graphinity Online
An online graphing resource written in JavaScript.
Interactive JavaScript Programming
A demonstration of real-time programming
Interactive LaTeX Editor
An easy-to-use LaTeX editor/renderer.
JavaScript Object Tree Browser
A browser for the JavaScript object tree
New World Clock
JavaScript World Clock. 24 simultaneous time zones updated in real time.
Number Base Conversions
A calculator for converting between number bases
Polygon Calculator
An online application that computes common values for regular polygons.
Quoter
A JavaScript quotation generator applet, useful as a Web page component, recently rewritten.
Regular Expression Laboratory
An interactive JavaScript regular expression processing engine.
Solar Computer
A recently updated, interactive JavaScript application that computes sunrise/sunset/day length for any location on Earth.
Unicode Character Search
A JavaScript Unicode character search utility
Unit Conversions
A comprehensive, interactive JavaScript unit conversion utility.
Virtual Calculator
Virtual Calculator — interactive JavaScript application
Adventures in Ray Tracing
How to create photo-realistic graphics using Pov-Ray and associated programs.
Bash Script Beautifier (Ruby)
A beautifier for Bash shell scripts written in Ruby.
Bash Shell Programming in Linux
How to write labor-saving shell scripts in Linux.
Consistent Network Device Naming
Another Linux kernel conceptual breakthrough (and how to repair it).
Controlling NetworkManager
Getting along with an important Linux utility.
Dictionary access under Linux
A how-to for Linux dictionary server/client setup and configuration.
Dictionary front end using PHP
A handy PHP-based dictionary access method.
Hacking the Nokia N810
How to bring the Nokia N810 under your control.
Installing Linux on a Dell XPS Laptop
Technical notes for installing Linux on a Dell laptop.
Linux Base
An introduction to Linux, including some history.
Mobile Internet Access Using Linux
Configuring a cell phone to work as an Internet data modem.
Modeline Calculator
An essential tool for configuring certain displays.
Notes and Fixes for Fedora 17
Dealing with some old and new unsolved problems.
Running Fedora Linux on Dell Laptops
Accomodating some recent kernel regressions.
Secure Shell Fun and Games
Using secure-shell transactions to improve security.
Area of an Irregular Polygon
An easy solution to a difficult problem.
Binomial Probability
An interactive exposition of a key probability method.
Calculus Primer
An easy tutorial that presents the core ideas of Calculus.
Equities Myths
Things you should know about investing.
Exploring Mathematics with Sage
A free, open-source mathematical workshop.
FFTExplorer
A signal processing workshop, recently rewritten in Java.
Finance Calculator
An interactive JavaScript financial calculator.
Interactive LaTeX Editor
An easy-to-use LaTeX editor/renderer.
Mandelbrot Set
An exploration in pure mathematics.
Polynomial Regression Data Fit
A polynomial regression data fit application with some technical background.
Prime Numbers
Exploring a unique class of numbers.
Randomness as Meaning
How people see coincidence as destiny.
Signal Processing Workshop
A practicum on Fourier analysis and signal processing.
Trigonometric Relations
A concise summary of trigonometric equations.
Unit Conversions
A comprehensive, interactive JavaScript unit conversion utility.
Alaska Images
Recent photographs from my Alaska cruises.
Did Earth's Life Originate on Mars?
A speculative slide set on a topic that is still controversial.
Science
A graphic slide set on the topic of science.
The Idea Marketplace
A graphic slide set that discusses how ideas are processed and marketed.
World Sail
A media overview of my circumnavigation, 1988-1991.
DBClient
A Python/GTK MySQL database management tool.
JDBClient
A Java-based MySQL database management tool.
MySQL Tutorial 1: Overview, Tables, Queries
Getting to know the MySQL database engine.
MySQL Tutorial 2: Views and Joins
Getting to know the MySQL database engine.
MySQL Tutorial 3: Triggers and Automation
Getting to know the MySQL database engine.
MySQL Tutorial 4: Relational Databases
How to build a modern database.
MySQL Tutorial 5: SQL Examples
An index of useful SQL commands.
Bicycle Analyzer
An online analyzer that figures out your bicycle's transmission.
JNX
A Java Navtex marine weather receiver/converter.
JWX
A Java short-wave weatherfax receiver/converter.
Lake Havasu Water Levels
Lake Havasu water levels, using an Internet data source.
Lake Mead Water Levels
Lake Mead Water Levels, using an Internet data source.
Lake Mohave Water Levels
Lake Mohave water levels, using an Internet data source.
New World Clock
JavaScript World Clock. 24 simultaneous time zones updated in real time.
Satellite Finder Home Page
A satellite locator and dish alignment program.
Satellite Finder Online (JavaScript)
A Web-based geostationary satellite locator.
Satellite Finder Online (PHP)
A Web-based geostationary satellite locator.
Solar Computer
A recently updated, interactive JavaScript application that computes sunrise/sunset/day length for any location on Earth.
A Note about Freeware
An explanation — more of a lecture, actually — about freeware.
Computer math
Article: Computer math — a description of the changes in math training and practice brought about by the computer.
Consumer Angst
A somewhat tart analysis of consumerism.
Creative Problem-Solving
Article: Creative problem-solving. Practical advice with some real-world examples.
Did Earth's Life Originate on Mars?
Article: Did Earth's Life Originate on Mars? A scientific speculation on this theory, discusses related issues.
How we confuse symbols and things
This article discusses some educational and general social aspects of western society.
Interview with an Extraterrestrial
A very hypothetical conversation with a visitor from afar.
The Anti-Spam Home Page
An updated history of spam and spammers, analysis, suggestions for remedies.
The Internet Free Zone Home Page
The Internet Free Zone Home Page.
The Magic Looking Glass
Article: The Magic Looking Glass. Discusses developments in virtual reality.
Why are computers so hard to use?
Article: Why are computers so hard to use? Discusses history, current technology, consequences.
A New Sex Crime
A landmark legal ruling creates a new category of criminal sexual behavior.
Bumperstickers
A collection of what once were called quotations.
For Example ...
An article in which I mourn the untimely passing of the example.
Networks Of Sleaze
An analysis of online advertising, including a true, first-person account by a victim of online fraud.
On Believing
A comprehensive study of religious belief.
Reciprocal Linking
A detailed look at yet another sleazy Internet practice.
Social Narcissism
The variety and persistence of human self-deception.
The Artificial Womb
If you didn't see this coming, you haven't been paying attention.
The Narcissist Appreciation Society
Who are these people and why are they invading my mailbox?
Transitions
Reflections on a life of change.
When Does it Become Murder?
An analysis of capital punishment.
Why don't books have advertising?
A discussion of bound books as a last holdout in a world filled with advertising.
Words and their Meanings
How to decode political speech.
AboutTime Home Page
AboutTime Home Page. A very accurate Internet time server/client.
C++ Tutorial
A basic tutorial for the C++ computer language.
DataProspector
A flexible program for accessing and modifying databases.
General FAQ
Frequently asked questions, mostly about HTML development.
Home Automation
How to control your house with a computer.
HTML for the Conceptually Challenged
A very basic tutorial, plainly worded, for people who hate to read instructions.
New World Clock
JavaScript World Clock. 24 simultaneous time zones updated in real time.
Regular Expression Laboratory
An interactive JavaScript regular expression processing engine.
The CareWare Idea
The CareWare Idea — a description of the CareWare philosophy and transaction.
Understanding Phase-Locked Loops
An in-depth look at a fascinating technique.
A Society of Victims
An instruction manual in creative self-victimization.
An Insider's Perspective
A School Psychologist Speaks Out.
Asperger's By Proxy
A frequently updated essay on Asperger's and related issues.
Authority in Science
How science differs from religion.
Autism is Real
A Conversation with a Parent.
Building Science
On the architecture of modern science.
Can Psychology Ever Become A Science?
A student's inquiry.
Children of Narcissus
An evolutionary analysis of narcissism.
Expertly Dysfunctional
Reflections on twisted parenthood.
How to Raise the Asperger's Child
No magic, just common sense.
I know what science is!
A discussion with someone ... who doesn't know what science is.
Inappropriate Title
Another psychologist weighs in on science and psychology.
Is Psychology a Science?
A critical evaluation of modern clinical psychology, recently updated.
Narcissism Revisited
A conversation about narcissism and self-esteem.
Not Fair!
A struggle with Asperger's.
On Being Perfect
An analysis of narcissism and narcissists, with some real-world examples.
Reddit: Psychology is a science!
Reddit's effort to censor psychology's critics.
The Doubt Factory
The proper role of science.
The Myth of Mental Illness
The evidence-based revolution in psychology.
The Trouble with Psychology
Serious obstacles hinder a scientific study of the mind.
Bash Script Beautifier (Python)
A beautifier for Bash shell scripts written in Python.
DBClient
A Python/GTK MySQL database management tool.
PolyRegress
A Python polynomial regression analysis application.
PyBeautify
A Python source code cleanup utility.
Python
Exploring and using the Python computer language, with examples and applications.
RPNCalc
An RPN calculator in Python.
SearchReplaceGlobalPy
A tool for applying regular expressions to large groups of files.
SerialTerminal
A Python Serial interface terminal.
SignalGen
A Python / GStreamer based signal generator.
WeatherReader
A Python weatherfax receiver/converter.
Alaska 2002
The article set for the 2002 Alaska expedition.
Alaska 2003
The article set for the 2003 Alaska expedition.
Alaska 2004
The article set for the 2004 Alaska expedition.
Alaska 2005
The article set for the 2005 Alaska expedition.
Alaska 2006
The article set for the 2006 Alaska expedition.
Alaska 2007
The article set for the 2007 Alaska expedition.
Alaska 2008
The article set for the 2008 Alaska expedition.
Alaska 2009
The article set for the 2009 Alaska expedition.
Alaska 2010
The article set for the 2010 Alaska expedition.
Alaska 2011
The article set for the 2011 Alaska expedition.
Alaska 2012
The article set for the 2012 Alaska expedition.
Confessions Online
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.
Eclectic Navigation
A discussion of modern navigation methods.
Controlling NetworkManager
Getting along with an important Linux utility.
Creating Music Playlists with Ruby
A music collection organizer written in Ruby.
Encountering Ruby
The Ruby programming language. A summary with operating hints and programming issues.
Graphinity: Graphing in Depth
A Ruby graphing and analysis program, recently rewritten.
Modeling Gravity with Ruby
Ruby Gravitation. A Ruby program that models gravitation in real-time, as well as an article describing the physics of gravitation and computer modeling.
Programming Icom Radios
A Ruby project that tells Icom radios what to do.
Round Container Corners using Pure CSS
A Ruby script that creates round corners using pure CSS methods.
Round Table Corners using Graphics
A Ruby application to create round HTML table corners.
Ruby Howto: Graphical User Interface
How to design a GUI interface for your Ruby program..
Ruby Script Beautifier
A beautifier for Ruby source files ... written in Ruby.
SearchReplaceGlobal
A tool for applying a regular expression to large groups of files.
The GPSMap Project
A method to link your GPS receiver to Google Maps and Google Earth.
Answers
Answers to common questions from social news forums.
Evolution
What we can learn from biology's most important theory.
Gravitation Description and Equations
A collection of gravitational resources.
Gravity and Energy
Exploring the interplay of gravity and mass-energy.
Physics / Conservation of Energy
An exposition on a principle of physics, and of science.
Physics / Relativity
A concise relativity tutorial.
The Doubt Factory
The proper role of science.
The Physics of Dark Energy
An exploration of a recent discovery in cosmology.
Unicode Character Search
A JavaScript Unicode character search utility
What is Science?
An earnest exposition.
Why is the Sky Dark at Night?
A discussion of Olbers' Paradox, the Big Bang and related issues.
Why Science Needs Theories
Theories set science apart from stamp collecting.
Storage Tank Profiling
Approaches to managing storage tanks.
TankCalc
A comprehensive storage tank analyzer.
TankProfiler
A Python dimension-profile storage tank analyzer.
TankProfiler Case History
Analyzing and modeling a real-world tank with an odd shape.
TankStepped
A special-case analyzer for large storage tanks.
Trapezoidal Storage Tanks
Tanks with sides that are straight but not parallel.
Volumes In Depth
An in-depth look at storage tank volume measurement.
Home
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* arachnoid.com
Administration
Android
Arachnophilia
Articles
Bicycle
C++ Tutorial
Downloads
Editorial Opinion
Feedback
Ham Radio
Java
JavaScript
Linux
Mathematics
Media
Messages
Miscellaneous
MySQL
Natural Resources
Older Articles
Programming Resources
Psychology
Python
Ruby
Sailing
Science
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