Ytterbium: The quantum memory of tomorrow

Quantum communication and cryptography are the future of high-security communication. But many challenges lie ahead before a worldwide quantum network can be set up, including propagating the quantum signal over long distances. ...

Tabletop experiment could detect gravitational waves

(—A coin-sized detector might observe gravitational waves before the giant Laser Interferometer Gravitational-Wave Observatory (LIGO), according to two Australian physicists.

Drones shed light on coastal water flows

Runoff in coastal waters is linked to pollution and degradation of coral reefs and other marine ecosystems. Unmanned aerial vehicles (UAVs) have now been used to overcome the challenges of monitoring water flow between ecosystems ...

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