X-ray free-electron lasers, first realized a decade ago, produce the brightest X-rays on the planet, and scientists tap into these unique X-rays to explore matter at the atomic scale and observe processes that occur in just ...
General Physics
Apr 4, 2016
0
18
Scientists can only offer a partial explanation of how radioactivity damages biological cells. The current research focuses on the effect of so-called secondary particles. When radiation penetrates the body, it knocks out ...
General Physics
Mar 31, 2016
0
76
A team of physicists including Russian researchers conducted an experiment that established control over the ultrafast motion of electrons at three attoseconds for the first time. (An attosecond is 1×10−18 of a second—that's ...
Optics & Photonics
Feb 23, 2016
0
21
Researchers have succeeded in using the immensely powerful X-ray pulses from the free electron laser (XFEL) facility SACLA to investigate excited-state induced transient lattice dynamics on sub-picosecond time scales in phase-change ...
Nanophysics
Feb 22, 2016
0
26
Photovoltaics promise to help meet our energy needs by turning sunlight into electricity. We can't run everything that way, but with a little tweaking, photovoltaic materials can use solar energy to split water into hydrogen ...
Materials Science
Feb 5, 2016
1
25
The end of Moore's Law, the prediction that transistor density would double every two years, was one of the hottest topics in electronics-related discussions in 2015. Silicon-based technologies have nearly reached the physical ...
General Physics
Feb 2, 2016
30
28
Scientists have drawn up molecular blueprints of a tiny cellular 'nanomachine', whose evolution is an extraordinary feat of nature, by using one of the brightest X-ray sources on Earth.
Bio & Medicine
Dec 17, 2015
0
63
If you've ever been captivated by slow-motion footage on a wildlife documentary, or you've shuddered when similar technology is used to replay highlights from a boxing match, you'll know how impressive advancements in ultra-fast ...
General Physics
Nov 16, 2015
0
744
Free electron lasers—powerful devices that can peer deep into molecular structure and the ultrafast timescales of chemistry—cost billions to build and are miles long, but an Arizona State University professor is constructing ...
General Physics
Oct 14, 2015
0
26
A team of Caltech researchers that has spent years searching for the earliest objects in the universe now reports the detection of what may be the most distant galaxy ever found. In an article published August 28, 2015 in Astrophysical ...
Astronomy
Sep 4, 2015
19
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