BlogArena

General blog about anything and everything of everyday's life.

21. Aug 2019

September 15, 2017
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Sound Waves Direct Particles to Self-Assemble, Self-Heal

Berkeley Lab framework supports research into lifelike behavior of inanimate objects An elegantly simple experiment with floating particles self-assembling in response to sound waves has provided a new framework for studying how seemingly lifelike behaviors emerge in response to external … Continue reading

November 1, 2014
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Bottling Up Sound Waves

Acoustic Bottle Beams from Berkeley Lab Hold Promise for Imaging, Cloaking, Levitation and Other Apps There’s a new wave of sound on the horizon carrying with it a broad scope of tantalizing potential applications, including advanced ultrasonic imaging and therapy, … Continue reading

September 28, 2014
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Manipulating and Detecting Ultrahigh Frequency Sound Waves

Berkeley Lab Researchers Demonstrate Advance in Controlling Nano-scale Vibrations at 10 GHz An advance has been achieved towards next generation ultrasonic imaging with potentially 1,000 times higher resolution than today’s medical ultrasounds. Researchers with the U.S. Department of Energy (DOE)’s … Continue reading

December 27, 2012
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Super-fine Sound Beam could one Day be an Invisible Scalpel

ANN ARBOR — A carbon-nanotube-coated lens that converts light to sound can focus high-pressure sound waves to finer points than ever before. The University of Michigan engineering researchers who developed the new therapeutic ultrasound approach say it could lead to … Continue reading

June 24, 2011
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Stiff Sediments Made 2004 Sumatra Earthquake Deadliest in History

AUSTIN, Texas — An international team of geoscientists has discovered an unusual geological formation that helps explain how an undersea earthquake off the coast of Sumatra in December 2004 spawned the deadliest tsunami in recorded history. Instead of the usual … Continue reading

October 13, 2010
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Listen Up: Ocean Acidification Poses Little Threat to Whales’ Hearing

Contrary to some previous, highly publicized, reports, ocean acidification is not likely to worsen the hearing of whales and other animals, according to a Woods Hole Oceanographic Institution (WHOI) scientist who studies sound propagation in the ocean.