Physics in the News

Sunday, June 22, 2014

Scientists Have Simulated Time Travel With Photons

Space-time structure exhibiting closed paths in space (horizontal) and time (vertical). A quantum particle travels through a wormhole back in time and returns to the same location in space and time. Credit: Martin Ringbauer

Space-time structure exhibiting closed paths in space (horizontal) and time (vertical). A quantum particle travels through a wormhole back in time and returns to the same location in space and time. Credit: Martin Ringbauer

via topinfopost

 

Stars’ Chemistry Key to Their Planets’ Ability to Support Life

Artist's conception of a protoplanetary disc. Credit: University of Copenhagen/Lars Buchhave

Artist’s conception of a protoplanetary disc. (Credit: University of Copenhagen/Lars Buchhave)

via space.com

 

Nobel Lecture Series: Data, Computation and the Fate of the Universe

via insidehpc

 

OPALS – A Laser Message From Space

At left: Illustration showing the 2.5 watt OPALS laser beaming video to Earth. At right, the laser beam arrives from the ISS as seen on the computer monitor at Table Mountain Observatory. (Credit: NASA)

At left: Illustration showing the 2.5 watt OPALS laser beaming video to Earth. At right, the laser beam arrives from the ISS as seen on the computer monitor at Table Mountain Observatory. (Credit: NASA)

via .redorbit

 

Is it Written in the Maths?

M.C. Escher works © Cordon Art-Baarn-the Netherlands.

M.C. Escher works © Cordon Art-Baarn-the Netherlands.

via maths.org

 

Swarm mission makes magnetic maps

A field snapshot in June. Reds are strong; blues are weak. The view is dominated by the core contribution

A field snapshot in June. Reds are strong; blues are weak. The view is dominated by the core contribution

via bbc.com

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