New Posts to Wired.co.uk - News on Mar 16, 2014:
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1) More ozone-destroying gases discovered in atmosphere
http://www.wired.co.uk/news/archive/2014-03/16/greenhouse-gases
Researchers have identified four manmade gases in the
atmosphere that could threaten the ozone layer, in addition to
existing chemicals that are banned under international
treaties.
Three new chlorofluorocarbons (CFCs) and one new
hydrochlorofluorocarbon (HCFC) have been spotted by comparing
modern air samples with air trapped in polar ice more than 100
years ago.
By: Duncan Geere, Continue reading...
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2) Acoustic cloak keeps you out of ear's reach
http://www.wired.co.uk/news/archive/2014-03/16/acoustic-cloaking
Materials engineers at Duke University have built a
three-dimensional acoustic cloak that reroutes sound waves away
from an object.
The device, which functions in much the same way as purported
invisibility cloaks, masks an object from sound waves. "By placing
this cloak around an object, the sound waves behave like there is
nothing more than a flat surface in their path," said Steven
Cummer, who worked on the design.
By: Duncan Geere, Continue reading...
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