Pulsars are the lighthouses of the universe. These compact and fast-rotating neutron stars flash many times per second in the radio or gamma-ray band. Pure gamma-ray pulsars are extremely difficult to find despite their high ...
Astronomy
Nov 3, 2011
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The discovery of 13 diffuse interstellar bands with the longest wavelengths to date could someday solve a 90-year-old mystery.
Astronomy
Nov 2, 2011
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(PhysOrg.com) -- Some three million times a year, researchers, educators, and amateur astronomers all over the world ask NASA's SkyView virtual observatory to serve up images of some interesting corner of the cosmos. Since ...
Astronomy
Feb 4, 2009
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NIMS and the Tokyo Institute of Technology have jointly discovered that the chemical compound Ca3SiO is a direct transition semiconductor, making it a potentially promising infrared LED and infrared detector component. This ...
Materials Science
Mar 23, 2021
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A crystal with a 3-D photonic band gap is a powerful tool to control light, with applications for new types of solar cells, sensors and miniature lasers. Inside a man-made crystal like this, a range of light wavelengths is ...
Optics & Photonics
Jan 24, 2020
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Research scientists at the U.S. Naval Research Laboratory (NRL) Electronics Science and Technology Division have developed a novel low cost, highly efficient spectral sensor for field analysis of solar cell irradiance performance ...
Energy & Green Tech
Aug 12, 2013
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A new NASA satellite instrument that makes a quantum leap forward in detector technology has arrived at Orbital Sciences Corp. in Gilbert, Ariz. There it will be integrated into the next Landsat satellite, the Landsat Data ...
Space Exploration
Feb 14, 2012
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Ninjas knew how to be stealthy: Be dark. Emit very little light. Move in the shadows between bright places.
Astronomy
Sep 16, 2009
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Near-Infrared (NIR) vision detectors and cameras play an essential role in today's high-tech tools for imaging, sensing and display technologies. Goggle- or binocular-based NIR cameras are particularly important for night ...
Optics & Photonics
May 26, 2023
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Fujitsu Laboratories Ltd. has developed an ultra-high capacity wavelength-division multiplexing system that considerably expands the transmission capacity of optical fibers in optical networks connecting datacenters. The ...
Telecom
Sep 19, 2018
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