News tagged with electromagnetic waves
Article examines rare quantum physics effect
(PhysOrg.com) -- There's nothing University of Nebraska-Lincoln physicist Herman Batelaan likes more than a challenge. And there are few areas of science more challenging than working at the sub-atomic, or ...
Sep 23, 2009 |
4.2 / 5 (31) |
8
Ganymede makes big impression on Jupiter's auroral lightshows (w/ Video)
(PhysOrg.com) -- Studies 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 innermost ...
Sep 18, 2009 |
5 / 5 (3) |
0
A Theory of Dark Matter
Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."
Sep 08, 2009 |
3.6 / 5 (45) |
58
Mobile phone towers a threat to honey bees: study
The electromagnetic waves emitted by mobile phone towers and cellphones can pose a threat to honey bees, a study published in India has concluded.
Aug 31, 2009 |
3.8 / 5 (13) |
9
World's smallest semiconductor laser heralds new era in optical science
(PhysOrg.com) -- Researchers at the University of California, Berkeley, have reached a new milestone in laser physics by creating the world's smallest semiconductor laser, capable of generating visible light ...
Aug 30, 2009 |
4.8 / 5 (25) |
1
Mathematical keys to a sixth sense -- the lateral-line system
Biophysicists at the Technische Universitaet Muenchen are leading an effort to develop and apply models of the so-called lateral-line system found in fish and some amphibians. This sensory organ enables an animal, even in ...
Aug 28, 2009 |
4.7 / 5 (7) |
0
A New Cloaking Method: This is not a 'Star Trek' or 'Harry Potter' Story (w/ Video)
(PhysOrg.com) -- University 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." Instead, ...
Aug 17, 2009 |
4.4 / 5 (13) |
5
Beyond the looking glass...
While 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 now that researchers ...
Aug 13, 2009 |
4.4 / 5 (16) |
6
GEMS mission to explore the polarized universe
An exciting new astrophysics mission led by NASA's Goddard Space Flight Center in Greenbelt, Md., will provide a revolutionary window into the universe. Named the Gravity and Extreme Magnetism Small Explorer ...
Space & Earth / Space Exploration
Aug 04, 2009 |
4.6 / 5 (10) |
1
The guiding of light: A new metamaterial device steers beams along complex pathways
Using a composite metamaterial to deliver a complex set of instructions to a beam of light, Boston College physicists have created a device to guide electromagnetic waves around objects such as the corner ...
Jul 31, 2009 |
4.5 / 5 (18) |
8
Researcher Investigates the Basis of Einstein's First Approximation in the Theory of Relativity
(PhysOrg.com) -- In his discussion of accelerated motion on page 60 of The Meaning of Relativity, Albert Einstein made an approximation that allowed him to develop the theory of relativity further. Einstein apparently never ...
Jul 15, 2009 |
4.1 / 5 (23) |
41
First acoustic metamaterial 'superlens' created
A team of researchers at the University of Illinois has created the world's first acoustic "superlens," an innovation that could have practical implications for high-resolution ultrasound imaging, non-destructive ...
Jun 24, 2009 |
4.4 / 5 (13) |
6
Scientists closer to making invisibility cloak a reality
J.K. Rowling may not have realized just how close Harry Potter's invisibility cloak was to becoming a reality when she introduced it in the first book of her best-selling fictional series in 1998. Scientists, however, have ...
Mar 05, 2009 |
3.7 / 5 (25) |
8
Plasmonic whispering gallery microcavity paves the way to future nanolasers
The principle behind whispering galleries - where words spoken softly beneath a domed ceiling or in a vault can be clearly heard on the opposite side of the chamber - has been used to achieve what could prove ...
Jan 24, 2009 |
5 / 5 (11) |
2
Next generation cloaking device demonstrated
A device that can bestow invisibility to an object by "cloaking" it from visual light is closer to reality. After being the first to demonstrate the feasibility of such a device by constructing a prototype ...
Jan 15, 2009 |
4.6 / 5 (19) |
10
