A Crust-Cutting, Carrot-Chopping Robot

[3DprintedLife] sure does hate bread crust. Not the upper portion of homemade bread, mind you — just that nasty stuff around the edges of store-bought loaves. Several dozen hours of CAD later, [3DprintedLife] had themselves a crust-cutting robot that also chops vegetables.

This De-Cruster 9000 is essentially a 2-axis robotic …read more

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Teardown: Nihon Kenko Magnetic Wave Tester

You never know what kind of wonders you’ll find on eBay, especially when you have a bunch of alerts configured to go off when weird electronic devices pop up. You may even find yourself bidding on something despite not being entirely sure what it is. Perhaps you’re a collector of …read more

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The Enlightenment Turns Light And Noise Into Sound

We’re all familiar with the subtle sounds of electrical equipment present in daily life. There’s the high-pitched whine of a CRT, the mains hum of a poorly isolated audio amplifier, and the wailing screams of inductors. Typically these sounds go unnoticed unless something is malfunctioning or otherwise wrong. However, Quiet …read more

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