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...
Void your warranty, violate a user agreement, fry a circuit, blow a fuse, poke an eye out. Make: The risk-takers, the doers, the makers of things... Welcome to Make: Online!
More contributors: Mark Frauenfelder (Editor-in-Chief, MAKE magazine), Kipp Bradford (Technical Consultant/Writer), Chris Connors (Education), Diana Eng (Guest Author), Peter Horvath (Intern), Brian Jepson (O'Reilly Media), Robert Bruce Thompson (Science Room)
Weekend Project: Beetlebot
Simple robot from your parts bin that avoids obstacles. Thanks go to Jerome Demers for the original article in MAKE, Volume 12. To download the Beetlebot video, click here or subscribe in iTunes. Check out the complete Beetlebot article...
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