News tagged with acoustic signals
Lasers generate underwater sound
Sep 04, 2009 |
4.5 / 5 (8) |
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Scientists at the Naval Research Laboratory (NRL) are developing a new technology for use in underwater acoustics. The new technology uses flashes of laser light to remotely create underwater sound. The new ...
I'm forever imploding bubbles
Apr 07, 2009 |
4.7 / 5 (3) |
1
The National Physical Laboratory (NPL) has developed the first sensor capable of measuring localized ultrasonic cavitation - the implosion of bubbles in a liquid when a high frequency sound wave is applied. The sensor will ...
Researchers Develop Flow Sensors Based on Blind Fish Hair Structures
Mar 24, 2009 |
4.5 / 5 (4) |
1
(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.
Network turns soldiers' helmets into sniper location system
Mar 24, 2009 |
4.4 / 5 (17) |
8
(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 ...
Listening to dark matter
Oct 16, 2008 |
4.3 / 5 (46) |
14
(PhysOrg.com) -- A team of researchers in Canada have made a bold stride in the struggle to detect dark matter. The PICASSO collaboration has documented the discovery of a significant difference between the ...
