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 navigate their environments, […]
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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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If you have an old computer speakers, you can turn them into speakers for phone or MP4.
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When I read the Geekcon 2010 call for projects, I thought, what the hack — I’ll do it. Inspired by Julia Cameron’s The Artist’s Way, I decided to let creativity into my life, and start inventing things. I watched Sterling Johnson’s magnificent “Giant Stinson Beach Bubbles” clip on YouTube, and when I described it to […]
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Before Chester Carlson invented photocopying, inventors engineered various mechanical devices to replicate images. With a few everyday items found in the home, you can make a pantograph, an image duplicator that allows you to use one pencil to trace an image while another pencil follows its path in parallel to produce a near-identical copy.
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Create a little magic in your yard with this flickering garden lantern triggered by the wind, made with spare parts you probably have lying around your house.
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This simple, wearable circuit uses an operational amplifier (or “op-amp”) chip to convert sound into light. An LM324 op-amp and a transistor boost input from a mini condenser microphone to light a series of LEDs. Watch it blink to the beat of your favorite music. Check out more Weekend Projects.
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