http://simonwillison.net/2007-06-29T00:44:37+00:00Simon Willison2007-06-29T00:44:37+00:002007-06-29T00:44:37+00:00https://simonwillison.net/2007/Jun/29/binary/#atom-tag

<p><strong><a href="http://woodgears.ca/marbleadd/index.html">Binary marble adding machine</a></strong></p> Watch the video. <p>Tags: <a href="https://simonwillison.net/tags/binary">binary</a>, <a href="https://simonwillison.net/tags/make">make</a>, <a href="https://simonwillison.net/tags/marbles">marbles</a>, <a href="https://simonwillison.net/tags/video">video</a>, <a href="https://simonwillison.net/tags/woodwork">woodwork</a></p>