Posts tagged diy

Digi-Comp II

You can now get a wooden version of the original Digi-Comp II which can add, subtract, multiply and divide binary numbers using marbles. It's both educational and mezmorizing.

For under $300 it's pretty tempting.

7th May, 11:01 pm

i'd like to build a coil gun. those are some huge capacitors. or maybe a railgun, in the style of big-u. did anyone but me read that?

7th October, 4:12 pm

You are going to be working with an enzyme that bonds protein. You are made of protein.

About

This is the personal site of Cal Henderson, Slack co-founder, ex Glitch engineer, ex Flickr architect, programmer, author and chronic complainer.

I give occasional talks, write code and sometimes articles. I also blog at World of Theorycraft and those links show up here too.

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