Welcome to Karl's web site. You can contact me here. Click here for some pictures, or a brief biography.
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Select a topic of interest from the list below. Thanks for stopping by.
After programming for 40 years, I decided to try my hand at writing. The Unfolding Universe is a collection of 9 original science fiction short stories. Don't binge-read; read one short story a day. Then there are two novels: A Gift from the Stars, and The Angry Sun.
Identify songs by emojis. It's a fun music trivia game. Songs span almost a centurie, and several genres.
Science For Everyone, a book for the curious, and for those who want to know how science affects current events. This project, like so many others, is in-work, and not complete.
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. There is some overlap between these articles and the science literacy book referenced above.
What shapes can you make out of buckyballs? Archimedian solids, domes, spheres,flowers, and more.
An accessible version of wordle, based on characters, not colors and graphics.
Online solitaire, based on the game known as calculation, but with more features.
Explore the wonderful world of polyominoes. I was the first to establish tilings for several of these interesting shapes.
A collection of interesting problems and puzzles in mathematics and logic for gifted high school students.
Solve and/or explore the Rubik's Cube, and other related permutation puzzles.
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.
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 is a more directed approach to learning the material.
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.
My thoughts on the subconscious, as a blind person visualizes his world.
Some stories and audio recordings of my grandparents and other relatives.
Some stories and audio recordings of Wendey's grandparents and other relatives.