Anomalous” heat flow, which at first appears to violate the second law of thermodynamics, gives physicists a way to detect quantum entanglement without destroying it.
The funny thing about this particular "hidden" feature is that it's more of a hack, and plenty of travelers use it already ...
Right angle power drills can make working in otherwise awkward angles more manageable, but there are a lot of them on the market. Which ones are best?
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