Biological samples studied with intense X-rays at free-electron lasers are destroyed within nanoseconds after they are exposed. Because of this, the samples need to be continually refreshed to allow the many images needed ...
General Physics
Feb 28, 2017
0
14
Pulse lasers built entirely on optical fibers are increasingly used by industry. Optical scientists from the Warsaw Laser Centre of the Institute of Physical Chemistry of the Polish Academy of Sciences and the Faculty of ...
Optics & Photonics
Feb 24, 2017
0
15
Russian researchers have developed a new material that converts infrared light to ultrashort pulses of ultraviolet. For this purpose, the scientists exposed silicon film to a laser so that its relief adjusted under the light ...
Nanophysics
Dec 21, 2016
0
12
In an algae-eat-algae world, it's the single-celled photosynthetic organisms at the top (layer of the ocean) that absorb the most sunlight. Underneath, in the sublayers, are cryptophyte algae that must compete for photons ...
Biochemistry
Dec 8, 2016
2
11
Magnetic properties of materials underlie technologies from old-fashioned recording tape to modern hard drives, and scientists are constantly pushing to develop new uses from magnetic behavior. Recently, researchers at MIT ...
Condensed Matter
Oct 26, 2016
0
533
Ever since J.J. Thompson's 1897 discovery of the electron, scientists have attempted to describe the subatomic particle's motion using a variety of different means. Electrons are far too small and fast to be seen, even with ...
Nanophysics
Oct 10, 2016
0
36
From hard to malleable, from transparent to opaque, from channeling electricity to blocking it: Materials come in all types. A number of their intriguing properties originate in the way a material's electrons "dance" with ...
General Physics
Sep 22, 2016
0
959
Some of the fastest processes in our body run their course in proteins activated by light. The protein rhodopsin sees to it that our eyes can rapidly take in their ever-changing surroundings. Free-electron X-ray lasers such ...
General Physics
Aug 23, 2016
0
0
Researchers at Washington University in St. Louis have found a way to give photons, or light packets, their marching orders.
Optics & Photonics
Jun 17, 2016
0
666
Researchers from the Department of Energy's SLAC National Accelerator Laboratory and Shanghai Jiao Tong University in China have developed a method that could open up new scientific avenues by making the light from powerful ...
Optics & Photonics
Jun 7, 2016
0
11
