How would one go about inventing a ""glass magnet"" to pick up broken glass along a hiking trail?

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Rodrique adlı üyenin sorusuna 6 kişi cevap verdi.

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Two ways: Vacuum cleaner with conveyor belt and optical scanners. Debris is deposited on the belt, brought past the scanners, a specially programmed microchip identifies the bits of debris that are likely glass and picks them off the belt. The rest of the debris can be deposited back on the ground. This is the technique they use to sort french fries (https://youtu.be/IfZLWEAiixo?t=39). A series of tiny grabbers controlled by AI. Same sort of thing... each grabber has a camera or two, and a sophisticated ML-trained algorithm recognizes when it sees glass on the trail and uses its grabber to grab it and put it in a bucket.
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You'd need to invent glass that can be picked up by a magnet. You wouldn't need a fancy magnet.
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Pumpkin. Just roll a pumpkin along the trail, the broken glass should stick in it. Source: worked well enough on goatheads.
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Are you asking about a technology that could attract glass at a distance the same way that iron is attracted to a magnet?
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Get a bug grabber. It has bristles that are intended to wrap around a bug. So it should be good enough for small pieces of glass.
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Already exists. It's called bare feet.
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