Turns out creating the most useless gadget ever is easy: simply build a machine designed to turn itself off. Flip the on switch and machine dutifully pushes the switch back to “off”.
As you can see, the machine will insist on turning itself off even after as the user repeatedly pushes the switch back to “on”. Why is this the most useless gadget ever? Simply because it uses up energy without providing a foundation for any productive activity whatsoever. You probably think that Source: The Gadget Blog RSS Feed
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