Machine screws

Geiger Counter

Geiger Counter

This DIY Geiger counter clicks and flashes an LED each time it detects a radioactive particle. It works with most common Geiger–Müller tubes, and easily connects to radiation rate meters, data loggers, true random number generators, and the Radiation Network’s GeigerGraph software. Share your radiation readings with the whole world!

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Tacit: A Haptic Wrist Rangefinder

Tacit: A Haptic Wrist Rangefinder

[vimeo http://www.vimeo.com/34814398 w=560&h=315] Tacit is a wearable system that translates the distance to anything you aim your hand toward into pressure on your wrist. The closer the object, the greater the pressure. Sweep your hand around, and the device conveys to you a tactile image of your surroundings. I designed Tacit to help vision-impaired people […]

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