Monthly Archives: October 2009

Real Pen Etch-A-Sketch with Stepper Motors

Ever since I was a kid, I’ve gone through intermittent periods of being obsessed with Etch-A-Sketches. The last such period was in 2005. There was an Etch-A-Sketch resident in the French pastry shop where I worked at the time and … Continue reading

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Metal Race Game: Fabrication and motor control

When I wrote my first update, the Metal Race Game was just getting started. I’d played around with multi-directional control of motors with an h-bridge and done some tests of construction methods for the race course itself with soldered paperclips. … Continue reading

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Gravitygraphs: Drawing with General Relativity

In this exercise you will attempt to comprehend the solidity of the model — its weight — the fact that it exists in space and moves in space in every direction… —Nicolaides, The Natural Way to Draw What makes a … Continue reading

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In Memoriam, the Luminiferous Aether

Take space. Take the whole of it. Imagine it as a solid form — undifferentiated, uniform. Now, carve out of space: things. Stars, planets, continents, cities, buildings, bowls of soup. What, of space, remains? The whole, but hole-y. Delicate lace-like … Continue reading

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