News tagged with electromagnetic radiation

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0.2 second test for explosive liquids

( -- Since a failed terrorist attack in 2006, plane passengers have not been able to carry bottles of liquid through security at airports, leaving some parched at the airport and others having expensive toiletries ...

dateOct 20, 2009 in General Physics
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Turning metal black more than just a novelty

( -- University of Rochester optics professor Chunlei Guo made headlines in the past couple of years when he changed the color of everyday metals by scouring their surfaces with precise, high-intensity laser bursts.

dateDec 08, 2009 in General Physics
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Millisecond pulsar in spin mode

Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its high luminosity ...

dateNov 03, 2011 in Astronomy
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