News tagged with x-ray

Taking a close look, whatever the scale

Following the 50 km/h crash test, all that was left of the car was a heap of metal – one that contains valuable information on how vehicle safety could be improved. But the only way engineers can get at ...

Oct 24, 2013
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Copper shock: An atomic-scale stress test

(Phys.org) —Scientists used the powerful X-ray laser at the U.S. Department of Energy's SLAC National Accelerator Laboratory to create movies detailing trillionths-of-a-second changes in the arrangement ...

Oct 22, 2013
4.7 / 5 (6) 0 | with audio podcast

Why lithium-ion-batteries fail

Materials in lithium ion battery electrodes expand and contract during charge and discharge. These volume changes drive particle fracture, which shortens battery lifetime. A group of ETH scientists together ...

Oct 17, 2013
4.6 / 5 (24) 0 | with audio podcast

Image: Spitzer at 10

The infrared observatory Spitzer has been at work for 10 years, revealing the cool dusty regions where stars and planets form, as well as shedding light on planets, exoplanets, stars and galaxies. Spitzer ...

Oct 01, 2013
5 / 5 (1) 0

Study finds new moves in protein's evolution

Highlighting an important but unexplored area of evolution, scientists at The Scripps Research Institute (TSRI) have found evidence that, over hundreds of millions of years, an essential protein has evolved chiefly by changing ...

Sep 29, 2013
5 / 5 (4) 0 | with audio podcast

Dating our galaxy's dormant volcano

(Phys.org) —A dormant volcano—a supermassive black hole—lies at the heart of our galaxy. Fresh evidence suggests that it last erupted two million years ago.

Sep 23, 2013
4.7 / 5 (24) 5 | with audio podcast

Breaking the code of royal purple

Royal purple, the color of robes swathing the emperors of Rome, ancient kings and high priests, and prized for its richness of hue and a brightness that wouldn't fade, has long carried its own molecular mystery.

Aug 30, 2013
3.4 / 5 (7) 0