New technique allows ultrasound to penetrate bone, metal
Researchers from North Carolina State University have developed a technique that allows ultrasound to penetrate bone or metal, using customized structures that offset the distortion usually caused by these ...
Network turns soldiers' helmets into sniper location system
(PhysOrg.com) -- Imagine a platoon of soldiers fighting in a hazardous urban environment who carry personal digital assistants that can display the location of enemy shooters in three dimensions and accurately ...
Music and speech based on human biology (w/ Video)
(PhysOrg.com) -- A pair of studies by Duke University neuroscientists shows powerful new evidence of a deep biological link between human music and speech.
Perfect Pitch: Language Wins Out Over Genetics
Mozart, Tchaikovsky, Sinatra and Hendrix -- these and many other of the world's most famous musicians have had "perfect" or "absolute" pitch. The ability, defined as recognizing the pitch of a musical note ...
Sound bullets in water
Sound waves are commonly used in applications ranging from ultrasound imaging to hyperthermia therapy, in which high temperatures are induced, for example, in tumors to destroy them. In 2010, researchers at Caltech led by ...
How long does a tuning fork ring? 'Quantum-mechanics' solve a very classical problem
Austrian and German researchers at the University of Vienna and Technische Universitaet Muenchen have solved a long-standing problem in the design of mechanical resonators: the numerical prediction of the ...
A more stealthy robot may be hearing you soon
'Chameleon Guitar' blends old-world and high-tech
(PhysOrg.com) -- Natural wood, with its unique grain patterns, is what gives traditional acoustic instruments warm and distinctive sounds, while the power of modern electronic processing provides an unlimited ...
Seeing sound: Team develops noninvasive method to visualise sound propagation
High-performance loudspeaker manufacturers have been able to improve sound quality dramatically over the years, but still face the issue of dead spots.
GPS stations can detect clandestine nuclear tests
At the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) meeting this week, American researchers are unveiling a new tool for detecting illegal nuclear explosions: the Earth's global positioning system (GPS).
Researchers Develop Flow Sensors Based on Blind Fish Hair Structures
(PhysOrg.com) -- A blind fish that has evolved a unique technique for sensing motion may inspire a new generation of sensors that perform better than current active sonar.
New acoustic alternative for touchscreen phones in development
The world's smallest microlaser
ETH-Zurich physicists (Switzerland) have developed a new kind of laser that shatters the boundaries of possibility: it is by far the smallest electrically pumped laser in the world and one day could revolutionize ...