In the months and early years after the Sept. 11, 2001, terrorist attacks, FBI agents began showing up at Microsoft Corp. more frequently than before, armed with court orders demanding information on customers.
Internet
Jun 15, 2013
23
0
Vacuum fluctuations may be among the most counter-intuitive phenomena of quantum physics. Theorists from the Weizmann Institute (Rehovot, Israel) and the Vienna University of Technology propose a way to amplify their force.
Quantum Physics
Jul 22, 2014
22
1
Solar cells could soon be produced more cheaply using nanoparticle "inks" that allow them to be printed like newspaper or painted onto the sides of buildings or rooftops to absorb electricity-producing sunlight.
Nanomaterials
Aug 24, 2009
12
0
On Sept. 5, 2022, NASA's Parker Solar Probe soared gracefully through one of the most powerful coronal mass ejections (CMEs) ever recorded—not only an impressive feat of engineering, but a huge boon for the scientific community. ...
Astronomy
Sep 18, 2023
6
86
(PhysOrg.com) -- In a recent study published in Biology Letters, Professor Graeme Ruxton from the University of Glasgow and Dr. David Wilkinson from Liverpool John Moores University use mathematics and a comparison to the ...
Of all the standard units currently in use around the world, the kilogram – the official unit of mass in the International System of Units (SI) – is the only one that still relies on a physical object for its definition. ...
General Physics
Oct 23, 2013
6
0
An innovative new maple spout developed by the University of Vermont's Proctor Maple Research Center with funding from the U.S. Department of Agriculture secured by Senator Patrick J. Leahy, will have a dramatic impact on ...
Other
Aug 18, 2009
1
1
Second sound is a quantum mechanical phenomenon, which has been observed only in superfluid helium. Physicists from the University of Innsbruck, Austria, in collaboration with colleagues from the University of Trento, Italy, ...
Quantum Physics
May 15, 2013
1
0
Physicists at Emory University have shown how a system of lifeless particles can become "life-like" by collectively switching back and forth between crystalline and fluid states—even when the environment remains stable.
General Physics
Nov 2, 2017
1
934
(AP) -- These gardeners would have green thumbs - if they had thumbs.
Robotics
Apr 10, 2009
4
0
