Whether you’re at a Bangkok hostel or backpacking in Goa, you can rock out to your favorite tunes with these portable Rock ’n’ Roll Speakers, a set of customizable, low-fi travel speakers that allow you to take your music everywhere. The speakers are driven by a simple power amplifier circuit and a tilt switch. With […]
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Last year my 13-year-old daughter asked for a skateboard, so I gave her my 20-year-old board (which wasn’t seeing much use). She liked to ride it along the bank of the Los Angeles River, and I would ride with her on a Razor scooter. But after a while, I started to miss having a skateboard, […]
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Use a simple circuit and paper crafts to make your own burglar alarm! Here’s how.
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Make a paper flyer to understand Bernoulli’s principle of flowing fluids and gases.
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Make gear that will keep your ears warm and protected.
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Getting (or going over) the edge on Pinewood Derby day.
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Make an LED night-light cube using things you probably have lying around.
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