ScienceDaily

Tiny quantum engines reveal useful energy hiding in “waste heat”

A tiny machine made from just an atom and particles of light may sound impossibly simple, but it raises a surprisingly difficult question: what counts as heat, and what energy can still do useful work?

This is a short WorldPing brief. The full report was published by ScienceDaily.

Read the full report at ScienceDaily

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Quantum simulators gain quantitative error bars in 51-ion test

In the coming years, increasingly larger and more powerful quantum systems are expected to tackle problems that are difficult or impossible to solve using conventional computers.

Brief by WorldPing · Original reporting by Phys.org

ESPN

Kyrgios reveals he tested positive for cocaine

Former Wimbledon finalist Nick Kyrgios revealed on Wednesday he tested positive for cocaine and was provisionally suspended from tennis.

Brief by WorldPing · Original reporting by ESPN