Using a tiny device known as an optical antenna, researchers have created an X-ray sensor that is integrated onto the end of an optical fiber just a few tens of microns in diameter. By detecting X-rays at an extremely small ...
Optics & Photonics
Mar 28, 2017
0
307
Researchers at the Ben-Gurion University of the Negev (BGU) Cyber Security Research Center have demonstrated that data can be stolen from an isolated "air-gapped" computer's hard drive reading the pulses of light on the LED ...
Security
Feb 22, 2017
43
1384
By combining expertise in photonics - manipulating light beams in nanoscale waveguides on a chip – and materials science, Cornell researchers have laid the groundwork for a chemical sensor on a chip that could be used in ...
Optics & Photonics
Aug 17, 2016
0
870
Despite seeming passive, plants wage wars with each other to outgrow and absorb sunlight. If a plant is shaded by another, it becomes cut off from essential sunlight it needs to survive.
Cell & Microbiology
Dec 24, 2015
3
798
A Dartmouth College team has created the first light-sensing system that reconstructs human postures continuously and unobtrusively, furthering efforts to create smart spaces in which people control their environment with ...
Engineering
Aug 11, 2015
0
48
Supernovae, neutron star collisions and active galactic nuclei are among the most energetic phenomena in the known universe. These violent explosions produce high-energy gamma rays and cosmic rays, which can easily travel ...
Astronomy
Mar 20, 2015
1
75
University of Groningen scientists have developed a molecular sensor to measure 'crowding' in cells, which reflects the concentration of macromolecules present. The sensor provides quantitative information on the concentration ...
Biochemistry
Feb 2, 2015
0
30
For almost 400 years, mercury gauges have prevailed as the most accurate way to measure pressure. Now, within weeks of seeing "first light," a novel pressure-sensing device has surpassed the performance of the best mercury-based ...
General Physics
Oct 30, 2014
4
0
Copious corn growing in tiny backyard plots? Roses blooming in December? Thanks to technology that the University of Wisconsin-Madison's Richard Vierstra has been developing for years, these things may soon be possible. And ...
Biotechnology
Jul 30, 2014
0
0
Researchers from North Carolina State University have developed a new processing technique that makes light emitting diodes (LEDs) brighter and more resilient by coating the semiconductor material gallium nitride (GaN) with ...
Electronics & Semiconductors
Mar 19, 2014
1
0
