News tagged with electromagnetic pulse
Generating first-ever controlled ultrafast radiation, using a plasma
To observe ultrarapid phenomena such as the motion of electrons within matter, researchers need sources capable of producing extremely fast and energetic light radiation. Although devices capable of emitting ...
Apr 05, 2012 |
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Solar storms join floods, terrorism as risks to UK
(AP) -- Britain has added volcanoes and solar storms to floods, flu and terrorism on a list of threats to national security.
Mar 18, 2012 |
5 / 5 (2) |
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Experts say Gingrich moon base dreams not lunacy
(AP) -- Republican presidential candidate Newt Gingrich wants to create a lunar colony that he says could become a U.S. state. There's his grand research plan to figure out what makes the human brain tick. ...
Space & Earth / Space Exploration
Jan 31, 2012 |
4.8 / 5 (16) |
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Study resolves century-long debate over how to describe electromagnetic momentum density in matter
(PhysOrg.com) -- Researchers from the NIST Center for Nanoscale Science and Technology and the University of British Columbia have shown that the interaction between a light pulse and a light-absorbing object, including the ...
Dec 29, 2011 |
4.4 / 5 (14) |
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North Korea upgrades jamming devices: report
North Korea is upgrading jamming devices to disrupt South Korean military communications, Yonhap news agency said Tuesday, citing a defence ministry report.
Sep 06, 2011 |
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Physicists describe how to make time-reversed light pulses
(PhysOrg.com) -- By taking advantage of the properties of periodic systems, physicists have described how to efficiently time-reverse ultrashort electromagnetic pulses. Since a time-reversed pulse evolves ...
May 31, 2011 |
4.4 / 5 (17) |
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Weapons detection system could make airports, public buildings safer
Weapons detection technology being developed by McMaster researchers can't come soon enough for busy travelers.
Feb 14, 2011 |
4 / 5 (3) |
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Russia says foreign power may have caused spy satellite loss
The Russian space agency suggested Monday that a foreign power may have been behind the space accident that disabled one of the country's most modern military satellites earlier this month.
Space & Earth / Space Exploration
Feb 14, 2011 |
3.9 / 5 (10) |
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Scientists, politicians take the threat of an electromagnetic pulse very seriously
The sky erupts. Cities darken, food spoils and homes fall silent. Civilization collapses. End-of-the-world novel? A video game? Or could such a scenario loom in America's future? There is talk of catastrophe ahead, depending ...
Nov 06, 2010 |
4.4 / 5 (7) |
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Researchers work to protect, restore vulnerable networks
(PhysOrg.com) -- Alon Efrat, a University of Arizona associate professor of computer science, is working with a team of researchers on a project intended to help prevent a telecommunications meltdown in ...
Technology / Computer Sciences
Aug 24, 2010 |
1 / 5 (1) |
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Rainbow trapping in light pulses
Over the past decade, scientists have succeeded in slowing pulses of light down to zero speed by letting separate frequency components of the pulse conspire in such a way that a receptive medium through which the pulse is ...
Jul 14, 2010 |
4.3 / 5 (8) |
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Ball lightning may sometimes be explained as hallucinations
(PhysOrg.com) -- Physicists in Austria have calculated the magnetic fields associated with certain types of lightning strikes are powerful enough to create hallucinations of hovering balls of light in nearby ...
May 13, 2010 |
3.2 / 5 (17) |
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12 attoseconds is the world record for shortest controllable time
Lasers can now generate light pulses down to 100 attoseconds thereby enabling real-time measurements on ultrashort time scales that are inaccessible by any other methods. Scientist at the Max Born Institute ...
May 12, 2010 |
4.6 / 5 (16) |
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Electromagnetic pulses provide pain relief for osteoarthritis
Electromagnetic pulses significantly decrease pain and inflammation associated with osteoarthritis of the knee, according to Henry Ford Hospital researchers.
Medicine & Health / Diseases, Conditions, Syndromes
Mar 07, 2010 |
5 / 5 (3) |
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Electromagnetic Pulse Cannon Has The Attention Of The USAF (w/ Video)
(PhysOrg.com) -- According to Flight International, a Canadian company will soon demo an electromagnetic pulse (EMP) cannon that is capable of stopping a car at a distance of 656 feet (200m).
Jan 21, 2010 |
3.2 / 5 (11) |
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