News tagged with sound wave

Marine airgun noise could cause turtle trauma

Scientists from the University of Exeter are warning of the risks that seismic surveys may pose to sea turtles. Widely used in marine oil and gas exploration, seismic surveys use airguns to produce sound waves that penetrate ...

dateNov 23, 2015 in Ecology
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Sonic tractor beam invented (w/ Video)

A team of researchers from the Universities of Bristol and Sussex in collaboration with Ultrahaptics have built the world's first sonic tractor beam that can lift and move objects using sound waves.

dateOct 27, 2015 in General Physics
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Acoustic imaging with outline detection

Reverberated sound can make objects visible. The sonar is used in the shipping industry to acquire information about the seabed or shoals of fish, while gynaecologists use ultrasound images to study foetuses in the womb. ...

dateSep 21, 2015 in General Physics
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