When encountering a discarded vacuum cleaner sitting by the curb, a tinkerer buddy of mine used to harvest their power cords, claiming they were extra robust. Trashed vacuum cleaners were not an uncommon site in NYC. I've also spotted them out here in the country, sitting at the end of driveways, waiting for the garbage truck. People throw vacuum cleaners away because they assume they're busted. But a study from the UK's Nottingham Trent University, led by Professor Tim Cooper of the School...


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