Metafluids: German researchers realize new material class
A research team lead by Professor Martin Wegener at the Karlsruhe Institute of Technology has succeeded in realizing a new material class through the manufacturing of a stable crystalline metafluid, a pentamode ...
Fairy-wren babies need password for food
It's always a good idea to listen to your mother, but that goes double for baby fairy-wrens even before they are hatched.
World's largest subwoofer: Earthquakes 'pump' ground to produce infrasound
Earthquakes sway buildings, buckle terrain, and rumble – both audibly and in infrasound, frequencies below the threshold of human hearing. New computer modeling by a team of researchers indicates that most of the low-frequency ...
Do bats know voices of friends they hang out with? (w/ video)
Is it possible that mammals have the ability to recognize individuals of the same species, whom they know well, by their voice? A new study has found that even in nocturnal, fast-moving animals such as bats, there is an ability ...
Korean researchers use graphene to create transparent loudspeakers
Artificial bat cave built to combat killer disease (Update)
(AP)—Conservationists have built an artificial bat cave deep in the Tennessee woods to see if it can be a blueprint for saving bats who are dying by the millions from a fungus spreading across North America.
Ultra-flat loudspeakers with powerful sound reproduction
(PhysOrg.com) -- Bigger speakers, bigger sound - this is the music lover’s creed. Flat panel loudspeakers offer an alternative to those who would rather not or cannot clutter up their homes with speakers. ...
Laser-based acousto-optic mapping: Next-generation design tool for loudspeaker designers
NPL has developed a laser-based acoustic mapping technique, collaborating with PMC loudspeakers to adapt the technique into a valuable design tool.
Researcher develops method to accurately compare concert hall sound
Researchers at Aalto University in Finland have developed a method that allows accurate comparisons of concert hall acoustics. The leader of the research group, Associate professor Tapio Lokki, was presented ...
How an objective audiometric test can become even more reliable
Not only can the human ear detect sounds, it can also generate them. If the ear hears the two upper tones of a major triad, it produces the fundamental of the chord which can then be measured. This phenomenon, ...
A new generation of acoustic measurements
NPL scientists have made the first measurements of airborne acoustic free-field pressures using a laser technique based on photon correlation spectroscopy.
New flat flexible speakers might even help you catch planes and trains
(PhysOrg.com) -- A groundbreaking new loudspeaker, less than 0.25mm thick, has been developed by University of Warwick engineers, it's flat, flexible, could be hung on a wall like a picture, and its particular ...
Neuroscience in the driving seat
It emerged today that more drivers are using hand-held mobile phones than two years ago, despite the introduction of tougher penalties. The Transport Research Laboratory is worried because phone-using drivers ...
US protestors find allies in app makers
US street protestors have won allies in software makers who have crafted programs that let smartphones fire off word of imminent arrest or let rallying cries be heard by crowds.