Researchers subtract a single quantum of light from a laser beam

In a collaboration between Aarhus University and the University of Southern Denmark, researchers have discovered a way to subtract a single quantum of light from a laser beam. This work has recently been published in Physical ...

The thermodynamics of computing

Information processing requires a lot of energy. Energy-saving computer systems could make computing more efficient, but the efficiency of these systems can't be increased indefinitely, as ETH physicists show.

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