This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

We experience the flow of time because it’s a natural outcome of the basic laws of physics. But we may need to build a whole ...

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

Everyone knows that time flows in one direction, with events occurring in a sequence. Time’s unidirectionality is linked to ...

The way time ticks forward in our universe has long stumped physicists. Now, a new set of tools from entangled atoms to black ...

Select an option below to continue reading this premium story. Already a Honolulu Star-Advertiser subscriber? Log in now to continue reading. That is why your shave ice never reforms, no matter how ...