Each year, nearly 800,000 people in the U.S. experience a stroke, and almost 90 percent of those are ischemic strokes in which a clot cuts off blood flow to part of the brain. To prevent further injury, blood flow to the ...
Optics & Photonics
Feb 22, 2018
0
11
Researchers have designed a new LED-based train headlight that uses a tenth of the energy required for headlights using conventional light sources. If operated 8 hours every day, the electricity savings of the new design ...
Optics & Photonics
Feb 13, 2018
14
269
For the first time, researchers have fabricated sensing elements known as fiber Bragg gratings inside optical fibers designed to dissolve completely inside the body. The bioresorbable fiber Bragg gratings could be used for ...
Optics & Photonics
Feb 5, 2018
0
317
For the first time, researchers have demonstrated that a stable frequency reference can be reliably transmitted more than 300 kilometers over a standard fiber optic telecommunications network and used to synchronize two radio ...
Optics & Photonics
Feb 1, 2018
0
28
Researchers have developed the first instrument that can provide a detailed image of the entire eye. By incorporating a lens that changes optical parameters in response to an electric current, the innovative technology can ...
Optics & Photonics
Jan 18, 2018
0
614
For the first time, researchers have shown that an optical fiber as thin as a human hair can be used to create microscopic structures with laser-based 3D printing. The innovative approach might one day be used with an endoscope ...
Optics & Photonics
Jan 17, 2018
0
47
Researchers have developed an easy-to-build camera that produces 3D images from a single 2D image without any lenses. In an initial application of the technology, the researchers plan to use the new camera, which they call ...
Optics & Photonics
Dec 21, 2017
0
2322
NASA has developed an innovative new spectroscopy instrument to aid the search for extraterrestrial life. The new instrument is designed to detect compounds and minerals associated with biological activity more quickly and ...
Space Exploration
Dec 20, 2017
1
13
Researchers have demonstrated prototype windows that switch from reflective to clear with the simple addition of a liquid. The new switchable windows are easy to manufacture and could one day keep parked cars cool in the ...
Optics & Photonics
Dec 13, 2017
4
189
Using nanoscale grass-like structures, researchers at the University of Pittsburgh, Pennsylvania have created glass that lets through a large amount of light while appearing hazy. This is the first time that glass has been ...
Optics & Photonics
Dec 11, 2017
0
109
