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sound waves News
Photoacoustic Device Enables In Vivo Melanoma Imaging
ST. LOUIS, Aug. 8, 2014 — A new device could help doctors better diagnose and treat melanoma, one of the deadliest forms of skin cancer. A team from Washington University in St. Louis developed a handheld instrument that uses lasers and sound waves. Used directly on a...
How to Treat Heat Like Light
CAMBRIDGE, Mass., Jan. 14, 2013 — A new technique makes it possible to manipulate heat as if it were light, an advance that could improve thermoelectric devices, create thermal diodes or achieve thermal cloaking.
Matter waves conjured in Schrödinger’s hat
SEATTLE – An amplifier devised to boost light, sound or other waves while hiding them inside an invisible container could lead to the construction of a quantum microscope that captures quantum waves and monitors electronic processes on computer chips. The...
Matter Waves Conjured in Schrödinger’s Hat
SEATTLE, May 31, 2012 — An amplifier devised to boost light, sound or other waves while hiding them inside an invisible container could lead to the construction of a quantum microscope that captures quantum waves and monitors electronic processes on computer chips.
Laser-Driven Technique Lets Sound Be Seen
MIDDLESEX, England, Nov. 8, 2011 — A laser-driven technique that allows remote, noninvasive and rapid mapping of sound fields has been developed — a solution expected to help high-performance loudspeaker manufacturers overcome the issue of dead spots. Dead spots are caused by...
Photonic Crystal Controlled by ‘Nanoquake’
MUNICH and SANTA BARBARA, Calif., Oct. 25, 2011 — Until now, the idea of an acoustically modulated photonic crystal merely existed in theory, but a new technique is proving that sound waves can control photonic crystals within a nanocavity. Scientists working for the cluster of excellence...
Student Innovators Improve Imaging
TROY, N.Y., and PASADENA, Calif., March 15, 2011 — The latest winners of the Lemelson-MIT Rensselaer Student Prize have been named, with prizes going to students using terahertz technology at Rensselaer Polytechnic Institute (RPI) and California Institute of Technology (Caltech). Benjamin...
Physicists Confirm Born’s Rule
INNSBRUCK, Austria & WATERLOO, Ontario, Canada, July 22, 2010 — Using a single-photon source, Austrian and Canadian quantum physicists said they ruled out the existence of higher-order interferences experimentally and confirmed an axiom in quantum physics: Born’s rule.
Sound Creating Light
BRUNSWIEK, Germany, July 6, 2010 — In an advancement that will simplify the comparison of newly developed optical clocks, a team of researchers from Physikalisch-Technische Bundesanstalt (PTB) have succeeded in transferring ultrastable frequency across a 480-km-long optical fiber...
Broadband Exterior Cloaking
SALT LAKE CITY, Aug. 18, 2009 – A new active cloaking method might someday shield submarines from sonar, planes from radar, building from earthquakes and coastal structures from tsunamis, said a group of mathematicians at the University of Utah.
Photons, Phonons Swap Data
DURHAM, N.C., Dec. 14, 2007 -- The discovery of a way to transfer encoded information from a laser beam to sound waves and then back to light waves again is being seen as a step toward designing tomorrow's superfast optical communications networks. Swapping data between media...
Lasers Listen to Vortices from Airplane Wing Tips
Jan 1, 2006 — At Flight Safety Technologies Inc. in Mystic, Conn., senior vice president for technology Neal Fine is working to ease airport congestion while increasing safety. His company is using a laser-based system dubbed Socrates to listen for the sound of a...
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April 2024
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