News tagged with amplitudes

Sound bullets in water

Sound waves are commonly used in applications ranging from ultrasound imaging to hyperthermia therapy, in which high temperatures are induced, for example, in tumors to destroy them. In 2010, researchers at Caltech led by ...

dateNov 19, 2012 in General Physics
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Jumping to reduce vibrations

A pioneering use of mini-trampolines is allowing engineers to better understand effects of vibrations caused by human movement on floors and small bridges. 

dateNov 16, 2012 in Engineering
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Do dolphins use nonlinear mathematics?

Research from the University of Southampton, which examines how dolphins might process their sonar signals, could provide a new system for man-made sonar to detect targets, such as sea mines, in bubbly water.

dateJul 18, 2012 in Plants & Animals
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Scientists first to observe plasmons on graphene

With a beam of infrared light, scientists have sent ripples of electrons along the surface of graphene and demonstrated that they can control the length and height of these oscillations, called plasmons, using a simple electrical ...

dateJun 20, 2012 in Nanomaterials
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Tall water waves behave unexpectedly

( -- In investigating the behavior of large-amplitude standing water waves, mathematician Jon Wilkening of the University of California, Berkeley, has discovered that the waves’ behavior cannot be explained ...

dateNov 15, 2011 in General Physics feature
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