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Nov 21, 2020

This Weird, Cheap Quantum Device Can Run For a Year With a Single Kick of Energy

Posted by in categories: computing, quantum physics

As our need for electronic gadgets and sensors grows, scientists are coming up with new ways to keep devices powered for longer on less energy.

The latest sensor to be invented in the lab can go for a whole year on a single burst of energy, aided by a physics phenomenon known as quantum tunnelling.

The tunnelling aspect means that with the help of a 50-million-electron jumpstart, this simple and inexpensive device (made up of just four capacitors and two transistors) can keep going for an extended period of time.

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