Physics News


How long does it take an electron to tunnel?

The combination of ab-initio numerical experiments and theory shows that optical tunnelling of an electron from an atom can occur instantaneously.

Tue 25 Aug 15 from Phys.org

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Metamaterial wormhole teleports magnetic fields across space

Better MRI scanners could result from a trick in which a magnetic field springs up from nowhere, using materials famous for their link to invisibility cloaks

Wed 26 Aug 15 from Newscientist

Other sources: Phys.org, Newscientist (2), Engadget (2), Gizmodo show all (5) »

Flexible white LEDs made from existing tech

A highly-flexible yellow-tinged white-light LED created at National Chiao Tung University in Taiwan combines off-the-shelf parts with novel design patterns. The LEDs produce a uniform ...

Tue 25 Aug 15 from Gizmag

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Quantum computer firm D-Wave claims massive performance boost

The world only quantum computer maker says its upgraded chip is 15 times faster than ordinary computers, but experts doubt the comparison is a fair test

Wed 26 Aug 15 from Newscientist

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Researchers provide experimental foundation for optical computing

Someday, our computers, nanoantennas and other kinds of equipment may operate on the basis of photons rather than electrons. Even now, researchers are preparing to accomplish this technological ...

Mon 24 Aug 15 from Phys.org

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The search for 'dark matter' and 'dark energy' just got interesting

Only about 5% of the universe consists of ordinary matter such as protons and electrons, with the rest being filled with mysterious substances known as dark matter and dark energy. So far, scientists ...

Fri 21 Aug 15 from Phys.org

Other sources: Science Now, Phys.org (2), SPACE.com, Astronomy.com, SpaceDaily (3) show all (7) »

Researchers developing next generation of high power lasers

Researchers at the University of Strathclyde are developing groundbreaking plasma based light amplifiers that could replace traditional high power laser amplifiers.

Fri 21 Aug 15 from Phys.org

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A new approach towards solving mysteries of the interstellar medium

It is one of the most intriguing questions in astrochemistry: the mystery of the diffuse interstellar bands (DIBs), a collection of about 400 absorption bands that show up in spectra of light ...

Fri 21 Aug 15 from Phys.org

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A way has been found to interconnect quantum devices including preserving entanglement

(Phys.org)—An international team of researchers has found a way to interconnect two quantum devices, allowing photons to move between the two, all while preserving entanglement. In their paper ...

Fri 21 Aug 15 from Phys.org

Other sources: Phys.org, MIT Technology Review show all (3) »

Small, inexpensive, and incredibly resilient: A new femtosecond laser for industry

A team at the University of Warsaw, Faculty of Physics has created a laser capable of generating ultrashort pulses of light even under extremely difficult external conditions. This unique combination ...

Thu 20 Aug 15 from Phys.org

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