News tagged with high frequency sounds
Dolphins use double sonar
Dolphins and porpoises use echolocation for hunting and orientation. By sending out high-frequency sound, known as ultrasound, dolphins can use the echoes to determine what type of object the sound beam has ...
Jun 07, 2011 |
5 / 5 (3) |
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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. ...
Sep 03, 2009 |
4.5 / 5 (4) |
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Shifting sound to light may lead to better computer chips
By reversing a process that converts electrical signals into sounds heard out of a cell phone, researchers may have a new tool to enhance the way computer chips, LEDs and transistors are built.
Mar 16, 2009 |
4.2 / 5 (5) |
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Good vibrations: Devices aid the deaf by translating sound waves to vibrations
(PhysOrg.com) -- Lip reading is a critical means of communication for many deaf people, but it has a drawback: Certain consonants (for example, p and b) can be nearly impossible to distinguish by sight alone.
Feb 26, 2009 |
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