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3-D Hearing Aid
In a new study, 34
normal-hearing and 18
cochlear-implant subjects
were tested on three
speech-perception tasks
known to be notoriously
difficult for
cochlear-implant users:
... > full story
MP3 Players: How Loud Is Too Loud?
Loud, sustained sound can
damage tiny hairs in the
cochlea, and yet 80 percent
of people listen to personal
music devices at dangerous
levels above background
noise, a study by
... > full story
Perfect-Fit Piano
A new, smaller-sized piano
keyboard helps smaller
players conquer complex
piano pieces -- without
missing a note
traditional-size keyboards
are too big for many
pianists, causing pain and
... > full story
Helping The Deaf Hear
Otolaryngologists develop a
new, implantable hearing
aid. It works with a
transmitter worn behind the
ear that sends sound
vibrations from her deaf
side through the skull to
her good ear. It's called
... > full story
Browse Science Videos
1 to 10 of 114 videos
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Doppler-based Stethoscope Ignores Outside Sounds
A new ultrasound stethoscope ignores outside noise, allowing medics to hear life-saving sounds inside the body. Developed by electrical engineers, the device exploits the Doppler effect as it sends ... > more -
Acoustical Engineers Reduce Hospital Noise with Fiberglass Panels
New, hi-tech panels can help bring down unhealthy noise levels in hospitals. The panels are made of fiberglass and coated with anti-bacterial fabric. If placed on walls and ceilings they can absorb ... > more -
Psychologists Test Effects of Household Noise on Children's Verbal Development
Psychologists think that children who grow up in noisy homes may have lower verbal skills. New studies aim to test whether the constant background noise of a TV set or of other children playing learn ... > more -
Cochlear Implants Work Better If Done On Both Ears
Unlike other acoustical devices such as hearing aids, which just amplify sounds, cochlear implants mimic what happens inside the ear, changing sound waves into electrical signals sent to the brain. ... > more -
Applied Physicist Invents Training Golf Club with Audio Feedback
A new golf club uses motion-detection sensors and wireless technology to coach players through the use of sound. A golfer can "hear" the speed of the swing in wireless headphones, and adjust swings ... > more -
Musician Puts Love for Computer Science into Minimalist Synthesizer
Recycled CD cases become bare-bones music players with the addition of a simple microchip and handful of other components, in a creation by a New York University graduate student in interactive ... > more -
Engineers Develop Non-Acoustical Sensor to Improve Battlefield Communication
A new device will soon help troops communicate on a noisy battlefield. The Tuned Electromagnetic Resonance Collar -- or TERC sensor -- detects changes in the electrical field around the neck produced ... > more -
Engineers Test Ventilated Seats And Thermal-Acoustic System To Make A/C Energy-Efficient
Engineers at a national lab have shown that small fans embedded in car seats could help cool passengers down -- saving up to 7 percent of the 30 to 40 gallons of gasoline per year an average driver ... > more -
Acoustic Waves Could Help Put Out Flames in Zero-Gravity Environments
Aboard NASA's "Weightless Wonder" airplane, physicists are experimenting with combustion and fluid flows in zero-g and developing a fire extinguishing system based on sound waves. The technique could ... > more -
Engineers Create New Helmet to Help Troops Hear Better on Battlefield
Wearing a helmet can make it hard to figure which direction sounds -- such as gunfire -- is coming from. Soldiers in Iraq are using a new helmet, called the Advanced Combat Helmet, which is padded ... > more
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