Physicists understand perfectly well why a fridge magnet sticks to certain metallic surfaces. But there are more exotic forms of magnetism whose properties remain unclear, despite decades of intense research. ...
May 23, 2013
4.3 / 5 (6)
1
|
Engineering researchers at the University of Michigan have demonstrated a paradigm-shifting "polariton" laser that's fueled not by light, but by electricity.
May 15, 2013
5 / 5 (21)
4
|
If the brain starts to swell after a stroke, surgery is often the only treatment option – one in which the physicians open the patient's cranial vault. Up to now, they would reach for the drill and the ...
May 15, 2013
4.3 / 5 (3)
1
Lasers are widely used in many areas of science, industry and medicine and the quality of the beams they produce needs to be measured to make sure they perform correctly. As electronic devices become smaller ...
May 10, 2013
5 / 5 (3)
0
A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...
May 08, 2013
5 / 5 (1)
0
(Phys.org) —Physicists at ETH Zurich have demonstrated one of the quintessential effects of quantum optics—known as the Hong-Ou-Mandel effect—with microwaves, whose frequency is 100'000 times lower ...
May 08, 2013
4.9 / 5 (9)
0
|
Accurately sensing rotation is important to a variety of technologies, from today's smartphones to navigational instruments that help keep submarines, planes, and satellites on course. In a paper accepted for publication ...
May 06, 2013
5 / 5 (4)
0
Research teams at North Dakota State University, Fargo, have developed a method to embed radio frequency identification (RFID) tags in paper, which could help combat document counterfeiting, and have developed ...
May 02, 2013
4 / 5 (1)
0
(Phys.org) —Researchers have found a way to see synthetic nanostructures and molecules using a new type of super-resolution optical microscopy that does not require fluorescent dyes, representing a practical ...
Apr 29, 2013
5 / 5 (11)
0
|
(Phys.org) —A standard camera takes flat, 2-D pictures. To get 3-D information, such as the distance to a far-away object, scientists can bounce a laser beam off the object and measure how long it takes ...
Apr 04, 2013
3.9 / 5 (7)
0
|
Germany's road network has a hard time dealing with wind and weather, tires and steel. Until now, however, surveying the damage caused to asphalt and concrete was laborious and expensive. A new laser scanner ...
Apr 03, 2013
5 / 5 (5)
0
(Phys.org) —The sequence of images that constitute Hollywood movies can be stored handily on solid-state media such as magnetic tape or compact diskettes. At the Joint Quantum Institute images can be stored ...
Mar 28, 2013
4.8 / 5 (4)
4
|
(Phys.org) —Low-energy terahertz radiation could potentially enable doctors to see deep into tissues without the damaging effects of X-rays, or allow security guards to identify chemicals in a package without ...
Mar 27, 2013
4.9 / 5 (19)
7
|
Researchers at the U.S. Naval Research Laboratory have successfully demonstrated pulse tailoring, producing a time varying focal spot size known as 'focal zooming' on the world's largest operating krypton ...
Mar 20, 2013
4.4 / 5 (9)
0
Researchers at the National Institute of Standards and Technology have developed a new microscope able to view and measure an important but elusive property of the nanoscale magnets used in an advanced, experimental form ...
Mar 15, 2013
5 / 5 (3)
0
|
