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Maryland News
‘Time Traveling’ Mirrors Arrive at Space Center
GREENBELT, Md., April 27, 2011 — NASA’s Goddard Space Flight Center has received the primary and secondary mirror engineering design units (EDUs) from Northrop Grumman Aerospace Systems. The units currently are undergoing examination and testing, and when used on the James Webb Space Telescope, will allow scientists to make observations further back in time than ever. "The primary mirror EDU will be used next year to check out optical test equipment developed by Goddard and slated to be used to test the full Flight...
Light Triggers Coating to Heal Itself
CLEVELAND, April 20, 2011 — A new polymer-based material that can heal itself when exposed to ultraviolet light for less than a minute has been developed by an international team of researchers. They envision that the rehealable material could be used in automotive paints,...
Optical Fiber Device Promises Safer Drug Delivery
IRVINE, Calif., April 12, 2011 — A new optical fiber-based drug delivery device promises to unlock the potential of photosensitive chemicals to kill drug-resistant infections and perhaps cancer tumors as well. The device was designed and constructed by researchers Jie Chen, Thomas...
Photons for quantum computing
GAITHERSBURG, Md. – A reliable source of photons for quantum computers could be a step closer to realization, thanks to scientists at the National Institute of Standards and Technology (NIST) who have found that calculations impossible or impractical to achieve with...
The RAPID way to next-gen computer chips
COLLEGE PARK, Md. – At the University of Maryland, scientists have achieved a breakthrough in using visible light to make tiny integrated circuits. Although the technology may not become commercially available for more than a decade, it may eventually make it possible...
Mayfield Returns to Miltec UV
STEVENSVILLE, Md., March 28, 2011 — Barbara Ann Mayfield has rejoined the sales team at Miltec UV, a manufacturer of high-performance UV curing systems and electrodeless bulbs. Mayfield will serve as sales manager for the Southeast territory, focusing on the ultraviolet markets....
Light Used to Move Molecules
BALTIMORE, March 23, 2011 — Light-triggered chemistry can help move individual molecules around inside living cells, sending them to exact locations at precise times. This new tool, according to its developers at Johns Hopkins University, will allow visualization of how...
Etched Quantum Dots Emit Single Photons
GAITHERSBURG, Md., March 14, 2011 — An etching method has been revealed that can precisely shape and position quantum dots, making it possible for them to emit single photons. This process could boost prospects for powering new types of devices for quantum communications. The...
E-beams get a new twist
GAITHERSBURG, Md. – A new method to expand the capabilities of conventional transmission electron microscopes (TEMs) has been discovered by researchers at the National Institute of Standards and Technology. Passing electrons through a nanometer-scale grating imparted...
NIST Advances Single Photon for Quantum Computers
GAITHERSBURG, Md., Jan. 21, 2011 — Researchers working at the National Institute of Standards and Technology (NIST) have brought science closer to creating reliable sources of photons for the long-awaited quantum computer. In principle, quantum computers can perform calculations that...
A New Twist on the E-beam
GAITHERSBURG, Md., Jan. 14, 2011 — Electron microscopes are among the most widely used scientific and medical tools for studying and understanding a wide range of materials, from biological tissue to miniature magnetic devices, at tiny levels of detail. Now, researchers at the...
Lasers Used to ’Hear’ Ripples in Space
PASADENA, Calif., Nov. 30, 2010 — A new system of lasers is being tested that would “hear” gravitational waves, or ripples in space and time, while flying aboard the proposed space mission called Laser Interferometer Space Antenna (LISA). The research team, consisting of...
Lasers Simulate Black Hole Radiation
COLLEGE PARK, Md., Nov. 10, 2010 — A team of Italian scientists has fired a laser beam into a chunk of glass to create what they believe is an optical analogue of the Hawking radiation that many physicists expect is emitted by black holes. Although the laser experiment superficially...
Faster, Less Damaging Cell Imaging
GAITHERSBURG, Md., Oct. 25, 2010 — Recently published research performed at the National Institute of Standards and Technology (NIST) may breathe new life into the use of a powerful, if tricky, diagnostic technique for cell biology. The paper, which is to be presented in the...
’Molecular Fingerprinting’ Improved for Gas Detection
GAITHERSBERG, Md., Oct. 21, 2010 — Scientists have demonstrated a laser-based “molecular fingerprinting” technique that can differentiate billions of hydrogen-containing and other molecules from one another in gas in just 30 seconds or less — a performance that is...
Color of Single Photons Changed
GAITHERSBURG, Md., Oct. 18, 2010 — The conversion of near-infrared 1300-nm-wavelength single photons emitted from a true quantum source — a semiconductor quantum dot — to a near-visible wavelength of 710 nm was demonstrated for the first time. The ability to change the color of...
Charles Townes on the Virtue of Tenacity
GLEN ARM, Md., Oct. 5, 2010 — It isn’t every day, is it? It isn’t every day you get to listen to Dr. Charles Townes — inventor of the maser, precursor to the laser, without whom the world would likely look very different today — as he recounts his journey...
Sensor Measures Eensy Weensy Forces Fast
GAITHERSBURG, Md., Sept. 22, 2010 — Physicists at the National Institute of Standards and Technology (NIST) have used a small crystal of ions to detect forces at the scale of yoctonewtons. Measurements of slight forces — one yoctonewton is equivalent to the weight of a single...
Lockheed Fiber Laser Nabs $14M Contract
BOTHELL, Wash., Sept. 20, 2010 — The US Army awarded Bethesda, Md.-based Lockheed Martin a $14 million contract to design, develop, build and test a high-power fiber laser-based system suitable for military applications. The Army Space and Missile Defense Command contract...
Laser ‘Bottle’ Gravity Test Proposed
GAITHERSBURG, Md., Sept. 2, 2010 — A new experiment proposed by physicists at the National Institute of Standards and Technology (NIST) may allow researchers to test the effects of gravity with unprecedented precision at very short distances — a scale at which exotic new...
An unexpected dark pulse laser
BOULDER, Colo. – Sometimes what isn’t there can be as interesting as what is. In working to develop mode-locked quantum dot diode lasers, researchers have discovered something unforeseen: a dark pulse laser. The device emits a steady beam of light, with...
Nanotubes Cover Ultradark Detector
GAITHERSBURG, Md., Aug. 19, 2010 — Harnessing darkness for practical use, researchers at NIST have developed a laser power detector coated with the world’s darkest material — a forest of carbon nanotubes that reflects almost no light across the visible and part of the...
‘Pin Art’ Mass Produces Nanowires
GAITHERSBURG, Md., Aug. 9, 2010 — Researchers at the National Institute of Standards and Technology (NIST) have cultivated many thousands of nanocrystals onto silicon, a step they say will bring us closer to reliable mass production of semiconductor nanowires. Dubbed...
High IR Levels in Some Green Lasers
GAITHERSBURG, Md., Aug. 6, 2010 — “Beware the dim laser pointer,” NIST researchers have recently said. According to a team led by physicist Charles Clark at the National Institute of Standards and Technology the group has found that a green laser pointer emitted almost...
Optical Fiber Ion Trap Collects Light
GAITHERSBURG, Md., July 14, 2010 — Physicists at the National Institute of Standards and Technology (NIST) have demonstrated an ion trap with a built-in optical fiber that collects light emitted by single ions (electrically charged atoms), allowing quantum information stored in the...
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June 2024
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