stackyFACTSWhen you turn the little plastic key, you are physically forcing a flat ribbon of steel to spool tightly around a central post. Let go, and the stubborn metal furiously tries to unwind, driving a tiny gearbox that makes the cheap plastic robot waddle.
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The Earth is wrapped in a giant magnetic blanket, and this device is hyper-aware of every single wrinkle in it. Magnetometers detect the strength and…
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The only reason your phone knows when you drop it on your face is because of a microscopic physical spring. Accelerometers measure changes in velocity by…
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Looking inside a human traditionally required a knife, until we found a light wave that ignores soft tissue entirely. X-ray imaging floods your body with…
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When a star explodes or a nuclear bomb detonates, it screams in a frequency that can rip apart DNA. Gamma ray detectors use dense crystals or semiconductors…
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The classic glass lightbulb is actually a surprisingly efficient space heater that simply happens to produce light as a side effect. Running electricity…
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That innocent-looking third prong on a wall plug literally just runs all the way back to a gigantic, heavy metal stake aggressively hammered deeply into the…
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