Welcome to Karl's web site. You can contact me here.
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Science For Everyone, a book for the curious, and the informed voter.
An homage to President Obama.
Make America Free Again, law by law.
What shapes can you make out of buckyballs?
Play Calculation online, the most interesting version of solitaire.
A collection of interesting problems and puzzles in mathematics and logic for gifted high school students.
A collection of fun and interesting facts from science, nature, history, sports, and current events. Please read through these Fun Facts, and then check in from time to time for something new.
Living under the thumb of a Condo Association.
My own speech software for Linux, and a text based editor browser called edbrowse. Both these packages promote a command line philosophy, yet my speech software can also run in screen review mode if you prefer.
A resource for scrapbook designers, maintained by my wife Wendy. Contains titles, quotations, song lyrics, famous speeches - everything you need to put your page together - except the pictures of course, you supply those.
Explore the wonderful world of polyominoes. I was the first to establish tilings for several of these interesting shapes.
The MathReference project presents 1,400 pages of advanced mathematics in a manner that is accessible to both blind and sighted users. I am compiling much of this material into a book, which should be easier to follow than the aforementioned sea of disconnected web pages.
Solve and/or explore the Rubik's Cube, and other related permutation puzzles.
Take our marriage/compatibility test - it's just for fun.
Identify the Star Trek episode, a game of Trek trivia.
Read some science fiction stories that I wrote myself.
What is it like to obtain your first leader dog?