Boing Boing: Binary marble adding machine

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Support Bloggers' Rights! HOWTO: Get a link posted to Boing Boing Boing Boing Mobile powered by Winksite Fark rules! This work is licensed under a Creative Commons License permitting non-commercial sharing with attribution. Boing Boing is a trademark of Happy Mutants LLC in the United States [and other countries]. Stats (About our stats) defeat censorware Policies Our first five years' worth of posts in one file	View a recent day: August 20 \| August 19 \| August 18 \| previous days \| by month and year Friday, June 22, 2007 Binary marble adding machine Video demonstration of a brilliant and elegant wooden adding machine that uses marbles. Link posted by Mark Frauenfelder at 12:01:53 PM permalink \| Other blogs' comments View a recent day: August 20, 2007 \| August 19, 2007 \| August 18, 2007 \| August 17, 2007 \| August 16, 2007 \| August 15, 2007 \| August 14, 2007 \| previous days \| all BB archives by month and year Email this entry to: Your email address: Message (optional):	Boing Boing Sponsored by: Your Text Ad Here Get BB by email:

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