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Latest Steven Cummer Stories

A 3D Acoustic Cloak That Hides Objects From Sound
2014-03-12 12:14:17

Engineers at Duke University have demonstrated the world’s first three-dimensional acoustic cloaking device. The scientists reported that they have created a new device that reroutes sound waves...

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2011-06-25 07:39:27

Scientists have developed a new device that makes objects invisible to sound waves.

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2009-08-24 12:45:00

Duke University researchers have captured images of lightning bolts shooting upwards.

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2008-01-09 15:05:24

Contrary to earlier predictions, Duke University engineers have found that a three-dimensional sound cloak is possible, at least in theory.

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2005-06-07 12:35:00

Giant red blobs, picket fences, upward branching carrots, and tentacled octopi -- these are just a few of the phrases used to describe sprites -- spectacular, eerie flashes of colored light high above the tops of powerful thunderstorms that can travel up to 50 miles high in the atmosphere.


Word of the Day
shavie
  • A trick or prank.
The word 'shavie' is related to 'shave'.