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).
View ArticleResearchers 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...
View ArticleScientists, politicians take the threat of an electromagnetic pulse very...
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...
View ArticleRussia 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.
View ArticleWeapons detection system could make airports, public buildings safer
Weapons detection technology being developed by McMaster researchers can't come soon enough for busy travelers.
View ArticleNorth 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.
View ArticleExperts 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...
View ArticleScientist closes in on a mystery that impedes space exploration
(Phys.org)—New research by Stanford aeronautics and astronautics Assistant Professor Sigrid Close suggests she's on track to solve a mystery that has long bedeviled space exploration: Why do satellites...
View ArticleN.Korea developing electromagnetic pulse weapons: S.Korea
South Korea's spy agency said Monday that North Korea was using Russian technology to develop electromagnetic pulse weapons aimed at paralysing military electronic equipment south of the border.
View ArticleDefense against electromagnetic fields
Electromagnetic fields can interfere with or damage electronic devices. Electromagnetic radiation is invisible to people. A new measuring instrument can now determine the strength, frequency, and...
View Article12 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...
View ArticleBall 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...
View ArticleRainbow 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...
View ArticlePhysicists 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...
View ArticleStudy resolves century-long debate over how to describe electromagnetic...
(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...
View ArticleSolar 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.
View ArticleGenerating 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...
View ArticleTerahertz radiation can induce insulator-to-metal change of state in some...
(Phys.org) -- A team of researchers at Boston University (BU), Massachusetts Institute of Technology (MIT) and a number of other institutions recently observed that certain materials undergo an...
View ArticleDetective work using terahertz radiation
Damaging biocides can be detected on old wooden sculptures, hidden wall paintings can be made visible again and the layered structures of pieces of art analyzed. Using terahertz scanners restorers will...
View ArticleNanoparticles show promise as inexpensive, durable and effective scintillators
A team of industrial and university researchers has shown that nanoparticles with sizes smaller than 10 nanometers – approximately the width of a cell membrane – can be successfully incorporated into...
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