31/08/2017

New design lets micro-clock resonators ring like a bell

You can't hear most of them, but the world is running on different kinds of mechanical oscillations. For example, inside the average electronic wristwatch is a sealed canister containing a 3 mm long quartz crystal resonator. ...

NASA scientists seek to improve sea ice predictions

Sea ice in the Arctic Ocean is in a downward spiral, with summer minimum extents about 40 percent smaller than in the 1980s. But predicting how the sea ice is going to behave in a particular year is tricky: There are still ...

NASA sees Washington State 'under fire'

NOAA/NASA's Suomi NPP satellite's Visible Infrared Imaging Radiometer Suite (VIIRS) instrument captured this image of several major fires in Washington state on August 29, 2017. The three highlighted fires are the Diamond ...

Amorphous diamond synthesized

A team of Carnegie high-pressure physicists have created a form of carbon that's hard as diamond, but amorphous, meaning it lacks the large-scale structural repetition of a diamond's crystalline structure. Their findings ...

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