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UV light News
Glowing Molecules Turn On, Off to Visualize Cell Activity
CORAL GABLES, Fla., Aug. 17, 2012 — Using UV light to switch fluorescent molecules on and off in aqueous environments could help scientists develop better fluorescent probes for biomedical research.
Tabletop device generates all wavelengths in single beam
ARLINGTON, Va. – For the first time, a device small enough to fit on a single laboratory table has converted a coherent, directed light beam generated from more than 5000 low-energy photons into one high-energy x-ray photon. “This device can be a valuable tool...
NIF’s 500-TW Laser Shot Sets Record
LIVERMORE, Calif., July 17, 2012 — The National Ignition Facility’s 192-beam laser system delivered a record-breaking 500 TW of peak power and 1.85 MJ of ultraviolet laser light to its target, validating laser performance specifications set at the facility in the late 1990s.
Tabletop Device Creates All Wavelengths in 1 Beam
ARLINGTON, Va., June 7, 2012 — More than 5000 low-energy photons have been converted into one high-energy x-ray photon. The coherent, directed light beam was generated for the first time using a device small enough to fit on a single laboratory table.
Light Used to Switch on Gene Expression
RALEIGH, N.C., May 11, 2012 — A new method that uses light-activated molecules to turn gene expression on and off provides greater precision for studying gene function and could lead to targeted therapies for diseases like cancer.
Light-triggered robotic arm bends, stretches
TOKYO – As the world gets smaller and smaller, microrobots and nanomachines become more important for fabrication, assembly and other tasks. Controlling such tiny machines can be problematic – cable-based controls don’t work at such small scales...
UV Ink Tells the Real Story
Sep 1, 2011 — Comic book readers have come to expect twists and turns in story lines, but one new comic has a special twist of its own: Part of it is written in invisible ink. SVK, by Warren Ellis and artist Matt “D’Israeli” Brooker, is...
Light triggers self-healing in polymer material
CLEVELAND – A polymer-based material that can heal itself when exposed to ultraviolet light for less than a minute has been developed for use in automotive paints, floor and furniture varnish, and more. The team involves researchers from Case Western Reserve...
Oh, Snap: Stressed Sensor Self-Heals
RALEIGH, N.C., June 16, 2011 — One flaw of strain sensors in that they can break under stress. But a new fiber optic strain sensor can heal itself — so in the wake of earthquakes, explosions or other catastrophic events it continues collecting data, helping engineers make...
Reindeer See Wonderful World of UV Light
WILTSHIRE, England, May 27, 2011 — The same ultraviolet light that can cause temporary snow blindness in humans is the very same light that is life-saving for reindeer in the arctic. Humans are able to see light with wavelengths ranging from around 700nm, which corresponds to the...
Coating allows UV rays to hit CMOS sensors
DUISBURG, Germany – Silicon nitride coatings block ultraviolet and blue light, making image sensors ill-equipped for spectroscopy applications. But a new production process renders the coatings transparent, making the sensors suitable for special applications. CMOS...
Life Without Lasers?
Jul 2, 2010 — If you were offered $1000 to go an entire day without interacting with lasers, do you think you could do it? What if you also couldn’t use anything that had been built with the help of lasers? Doesn’t sound too hard, does it? Think...
UV Light Fills in RNA Gaps
ATLANTA, Ga., June 15, 2010 — For scientists attempting to understand how the building blocks of RNA originated on Earth, guanine, the G in the four-letter code of life, has proven to be a particular challenge. While the other three bases of RNA — adenine (A), cytosine (C)...
Clever cars get color cameras
MUNICH, Germany – In a move that is reminiscent of the 1980s hit series Knight Rider, researchers at the Fraunhofer Institute for Microelectronic Circuits and Systems IMS in Duisburg have developed a process that will give a futuristic boost to in-car driver...
Photoswitch Paralyzes Animals
WASHINGTON, D.C., Nov. 23, 2009 – An internal on-off “switch” that paralyzes animals when exposed to a beam of ultraviolet light has been developed by a team of scientists in Canada. The animals stay paralyzed even when the light is turned off. When exposed to ordinary light, the...
PULSED UV LIGHT
Aug 1, 2006 — The advantages of pulsed UV light over continuous mercury UV lamps for various curing applications are described in a brochure from Xenon Corp. The downloadable four-page publication notes that pulsed UV systems provide better penetration while...
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May 2024
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