1 and 0
https://kidscodecs.com/a-binary-numbers-tutorial-with-1-and-0/
Binary Converter
http://www.rapidtables.com/convert/number/binary-converter.htm
A Tutorial on Binary Numbers
http://www.math.grin.edu/~rebelsky/Courses/152/97F/Readings/student-binary
Binary Numbers (Wikipedia)
https://en.wikipedia.org/wiki/Binary_number
ASCII Table
How to Build a Computer
https://kidscodecs.com/how-to-build-a-computer/
PC Part Picker
PC Part Picker: Where We Started
http://pcpartpicker.com/p/10UbI
Tom’s Hardware Forums
http://www.tomshardware.com/forum/
Tom’s Hardware: Common Solution to No Boot/Post Problems
http://www.tomshardware.com/forum/261145-31-perform-steps-posting-post-boot-video-problems
Simon Haughton Talks about Kids, Python, and Computer Science
https://kidscodecs.com/an-interview-with-simon-haughton/
Simon Haughton’s Website
http://www.simonhaughton.co.uk/
A children’s guide to Python programming
http://www.simonhaughton.co.uk/python-programming-guide.html
Scratch 2.0 Resources
http://www.simonhaughton.co.uk/2013/02/scratch-20-resources-and-planning.html
How to Teach Outstanding Computing
http://www.simonhaughton.co.uk/how-to-teach-outstanding-computing.html
Happy Numbers
https://kidscodecs.com/happy-numbers/
Happy Numbers List
http://en.wikipedia.org/wiki/Happy_number
Happy Numbers for Teachers
http://www.articlesforeducators.com/article.asp?aid=1
7 and Happy Numbers
http://www.guardian.co.uk/science/grrlscientist/2012/feb/27/1
http://youtu.be/kC6YObu61_w
Why 4 is the Nemesis of Happy Numbers
http://io9.com/5934819/why-four-is-the-nemesis-of-happy-numbers
Happy Number
http://mathworld.wolfram.com/HappyNumber.html
How to Code Happy Numbers
http://rosettacode.org/wiki/Happy_numbers
Dr. Who and Happy Numbers (Hey, Why Not?)
http://tardis.wikia.com/wiki/Happy_prime
Claude Shannon
https://kidscodecs.com/claude-shannon/
Claude Shannon Biographies
http://www.technologyreview.com/featuredstory/401112/claude-shannon-reluctant-father-of-the-digital-age/
http://www.corp.att.com/attlabs/reputation/timeline/16shannon.html
http://www2.research.att.com/~njas/doc/shannonbio.html
http://en.wikipedia.org/wiki/Claude_Shannon
http://mediahistories.mit.edu/claudeshannon/about-claude/
Victor Shestakov
https://en.wikipedia.org/wiki/Victor_Shestakov
George Boole
http://en.wikipedia.org/wiki/George_Boole
http://en.wikipedia.org/wiki/Boolean_algebras_canonically_defined
http://en.wikipedia.org/wiki/Boolean_algebra
Claude Shannon: The Father of Information Theory (BBC 2012)
Claude Shannon Juggling (CBC 1985)
Claude Shannon’s Theseus Mouse and Maze
http://cyberneticzoo.com/?p=2552
http://museum.mit.edu/150/20
Variables
https://kidscodecs.com/variables/
C
http://www.codingunit.com/c-tutorial-variables-and-constants
http://www.zentut.com/c-tutorial/c-variables/
http://tigcc.ticalc.org/doc/keywords.html
Lua
http://www.lua.org/pil/4.2.html (local variables)
http://www.lua.org/pil/1.2.html (global variables)
http://lua.gts-stolberg.de/en/Variablen.php
http://lua-users.org/wiki/ScopeTutorial
http://www.lua.org/pil/1.3.html (reserved words)
PHP
http://php.net/manual/en/language.variables.basics.php
http://php.net/manual/en/language.variables.php
http://www.w3schools.com/php/php_variables.asp
http://php.net/manual/en/reserved.php
Python
http://docs.python.org/3.3/tutorial/introduction.html
http://docs.python.org/3.3/tutorial/introduction.html#first-steps-towards-programming
http://docs.python.org/3.3/tutorial/classes.html#private-variables
http://docs.python.org/3/reference/lexical_analysis.html#keywords
Rails
http://www.tutorialspoint.com/ruby/ruby_variables.htm
http://www.wellho.net/mouth/2609_Scope-of-variables-important-to-Ruby-on-Rails.html
http://www.tutorialspoint.com/ruby/ruby_syntax.htm
Variables
http://www.cs.utah.edu/~germain/PPS/Topics/variables.html
https://en.wikipedia.org/wiki/Variable_%28computer_science%29
How to Name a Variable When it is both a Noun and a Verb
Python
https://kidscodecs.com/python/
Python Links
http://www.python.org/
http://www.python.org/doc/
http://en.wikipedia.org/wiki/Python_%28programming_language%29
https://groups.google.com/forum/#!forum/comp.lang.python
https://github.com/languages/Python/most_watched
What Makes Python So Awesome (Presentation)
https://ep2013.europython.eu/conference/talks/what-makes-python-so-awesome
A children’s guide to Python programming
http://www.simonhaughton.co.uk/python-programming-guide.html
Help Kids Code Python Links
https://kidscodecs.com/resources/programming/python/
Online Coding Schools
https://kidscodecs.com/online-coding-schools/
Codecademy
Code Lesson
Code School
Lynda.com
http://www.lynda.com
http://www.lynda.com/Developer-training-tutorials/50-0.html
W3 Schools
The Next Web Academy
http://thenextweb.com/academy/
2Young2Code
EdSurge List of Course Vendors
https://www.edsurge.com/guide/teaching-kids-to-code#package-products
Help Kids Code List of Online Coding Schools
https://kidscodecs.com/resources/coding-schools/
Local Coding and Technology Groups
https://kidscodecs.com/local-coding-and-technology-groups/
Girls Who Code
CoderDojo
Random Hacks of Kindness
http://www.rhok.org/
https://en.wikipedia.org/wiki/Random_Hacks_of_Kindness
THAT Camp
Why I Teach Kids to Code (Rebecca Garcia)
http://geekgirlweb.com/2012/09/04/why-i-teach-kids-to-code/
Meetup (Hacking tag)
Geocaching and the Elusive 4.5lb Walleye
https://kidscodecs.com/geocaching-and-the-elusive-4-5lb-walleye/
GeoCaching.com vs OpenCaching.com
A mildly partisan retelling of the battle between Garmin and GeoCaching.com. Read the comments, too, if the topic interests you.
http://www.notaboutthenumbers.com/2011/12/05/opencaching-com-one-year-on/
Geocaching Sites
http://www.geocaching.com/
http://www.opencaching.eu
http://www.opencaching.com/en/
http://www.groundspeak.com/
About Geocaching
http://www.rei.com/learn/expert-advice/gps-geocaching.html
http://www.geocaching.com/guide/
Geocaching Apps
http://www.notaboutthenumbers.com/2012/09/03/top-5-iphone-apps-for-geocaching/
http://appadvice.com/appguides/show/geocaching-with-your-iphone
http://www.geocaching.com/live/default.aspx
The Elusive 4.5lb Walleye Geocache
http://blog.opencaching.us/2013/07/an-interview-with-stormgren-x-on-45lb.html
Tracking US Dollar Bills
http://www.wheresgeorge.com/
http://trackdollarbills.com/
REI Introduction to Geocaching Video
http://rei.liveclicker.com/v/3117/introduction-to-geocaching-video-gps-garmin-etrex-oregon/