What costs more energy — running a quantum clock or observing it?

The study shows that in quantum devices, reading a clock consumes far more energy than running it. This insight will help ...
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Reading a quantum clock uses more energy than operating it

Quantum timekeeping is supposed to be the ultimate in efficiency, with tiny devices that tick using the rules of quantum mechanics instead of swinging pendulums or vibrating quartz. Yet new work on a ...
Science Daily

This tiny quantum clock packs a billion-fold energy mystery

Scientists built a tiny clock from single-electron jumps to probe the true energy cost of quantum timekeeping. They discovered that reading the clock’s output requires vastly more energy than the ...
Morning Overview on MSN

Physicists just measured time without a clock at the quantum level

Physicists have now managed to track the passage of time inside a quantum event without using anything that looks like a ...
EurekAlert!

Reading a quantum clock costs more energy than running it, study finds

Graphic illustrating the difference in energy between running a quantum clock (left: a single electron hopping between two nanoscale regions) and reading the ticks of the clock (right). The energy ...