News articles tagged with 'electromagnetic' (Page 3)
0.2 second test for explosive liquids
— 21 Oct 2009 10:59 | TechnologySince 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…
GTRI is developing protocols for testing effects of RFID systems on medical devices
— 7 Oct 2009 07:32 | HealthRadio frequency identification (RFID) systems are widely used for applications that include inventory management, package tracking, toll collection, passport identification and airport…
Ganymede's magnetosphere makes a big impression on Jupiter's auroral lightshows
— 17 Sep 2009 00:02 | AstronomyStudies of features in Jupiter's spectacular and rapidly changing aurorae have given new insights into the complex electromagnetic interactions between the giant planet and two of its…
Penetrating insights: NIST airframe tests help ensure better shielding for flight instruments
— 27 Aug 2009 14:36 | TechnologyAirline travellers are used to being instructed to turn off computers and cell phones during takeoffs and landings as a precaution against interfering with the plane's navigational…
Water in mantle may be associated with subduction
— 20 Aug 2009 13:32 | Geology and palaeontologyA team of scientists from Oregon State University has created the first global three-dimensional map of electrical conductivity in the Earth's mantle and their model suggests that that…
A new cloaking method
— 17 Aug 2009 11:52 | TechnologyUniversity of Utah mathematicians developed a new cloaking method, and it's unlikely to lead to invisibility cloaks like those used by Harry Potter or Romulan spaceships in 'Star Trek.'…
Beyond the looking glass
— 13 Aug 2009 09:27 | TechnologyWhile the researchers can't promise delivery to a parallel universe or a school for wizards, books like Pullman's Dark Materials and JK Rowling's Harry Potter are steps closer to reality…
Ytterbium's broken symmetry
— 23 Jul 2009 16:52 | PhysicsYtterbium was discovered in 1878, but until it recently became useful in atomic clocks, the soft metal rarely made the news. Now ytterbium has a new claim to scientific fame. Measurements…
Discovery at UAB brings us nearer to making the dream of invisibility true
— 7 Jul 2009 17:58 | TechnologyA group of researchers from the Department of Physics at UAB have designed a device, called a dc metamaterial, which makes objects invisible under certain light - very low frequency…
Toxic molecule may help birds 'see' north and south
— 23 Jun 2009 13:26 | BiologyResearchers at the University of Illinois report that a toxic molecule known to damage cells and cause disease may also play a pivotal role in bird migration. The molecule, superoxide,…