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Would you trust a wasabi-scented fire alarm to save your life? How about a scientific test for infidelity that smells your partner’s underwear? Or a high-speed camera used to study the flight dynamics ...

Useless tech is all around us, and they can easily make us wonder, "what's the point?" But then again, some people have a lot of time on their hands. And with that much time, they can think of almost ...