Ultrasound to improve algae harvest
Scientists from the National Physical Laboratory (NPL) are using ultrasound to reduce the amount of energy needed to harvest microalgae.
Biotechnology
Jun 28, 2013
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Page 4 - News tagged with standing waves
How an objective audiometric test can become even more reliable
Not only can the human ear detect sounds, it can also generate them. If the ear hears the two upper tones of a major triad, it produces the fundamental of the chord which can then be measured. This phenomenon, called "otoacoustic ...
Engineering
Jan 10, 2013
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Novel observations of currents and drag generated by a tsunami
Tsunamis cause damage even after they have traveled thousands of kilometers from their sources, and much of the damage is through generation of local strong currents. Even though wave heights of tsunamis that have traveled ...
Earth Sciences
Oct 11, 2012
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Microfabrication methods to help navigate a day without GPS
Military missions of all types need extremely accurate navigation techniques to keep people and equipment on target. That is why the Military relies on GPS or, when GPS is unavailable, precise sensors for navigation. These ...
Engineering
Sep 21, 2012
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An earthquake in Japan caused large waves in Norwegian fjords
Early on a winter morning a few years ago, many residents of western Norway who lived or worked along the shores of the nation's fjords were startled to see the calm morning waters suddenly begin to rise and fall. Starting ...
Earth Sciences
Aug 13, 2013
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