1972 Soviet postage stamp commemorating the Mars 2 probe

worth a read

Mars For The Rest of Us — a weekly-or-more deep dive on the technical side of Mars exploration: rocket propulsion, microbiology, mission architecture, and everything in between. Written by Maciej Ceglowski.

Read it on Substack →

The Ancient Art of MetrocardTM Puppetry

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It seems like humans will try to fold and rearrange just about anything. Paper, money, postcards. Some people make a living folding their members in a surprising manner. Others fold dollar bills. What chance did humble MetrocardTM stand from being turned into an art material?

A couple of days ago I found this MetrocardTM triacontahedron sitting abandoned on a subway staircase. I’ve seen these around in token clerk booths, but never up close before.

I managed to take it apart and put it together again, and the construction is rather ingenious. I’ll try making a few of these together and post the instructions then.

Of course, other people have been doing this for a long time. Here’s a guy who created purses, boxes, stars and pencil holders out of them. An entertainer that goes by the moniker Professor Puter has a whole load of tricks, such as metrocard shooter, star, bug etc. Here’s a fine specimen of MetrocardTM art too. If you want to annoy your cubicle-mates even more than you already do – MetrocardTM clicker is the right project for you.

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1972 Soviet postage stamp commemorating the Mars 2 probe

worth a read

Mars For The Rest of Us — a weekly-or-more deep dive on the technical side of Mars exploration: rocket propulsion, microbiology, mission architecture, and everything in between. Written by Maciej Ceglowski.

Read it on Substack →