Gareth Branwyn is a freelance writer and the former Editorial Director of Maker Media. He is the author or editor of over a dozen books on technology, DIY, and geek culture. He is currently a contributor to Boing Boing, Wink Books, and Wink Fun. And he has a new best-of writing collection and “lazy man’s memoir,” called Borg Like Me.
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This is a functional glass seismograph for measuring earthquakes. It stands about 40″ tall, and is about 48″ wide installed. It measures vibrations along the x and y axes (side to side), as well as the z axis (up and down), on three helicorders. Ideally, it should be bolted into bedrock for accuracy…
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