Quantum key distribution (QKD) is an advanced tool for secure computer-based interactions, providing confidential communication between two remote parties by enabling them to construct a shared secret key during the course ...
Quantum Physics
Jun 14, 2011
1
0
The second law of thermodynamics is a big hit with the beret-wearing college crowd because of its implicit existential crunch. The tendency of a closed systems to become increasingly disordered if no energy is added or removed ...
Nanophysics
Sep 28, 2010
2
0
Like most high schoolers in an intro to physics class, Dan Hoek heard the legendary tale of Isaac Newton and the apple.
General Physics
Nov 8, 2023
32
40
What if doctors in the intensive care unit could predict if and when a patient was about to go into cardiac arrest? They could then be ready when it happened.
Other
Nov 2, 2011
14
0
Last March, the U.S. Congress heard testimony about a scientific study in the journal Safety Science. A military analyst worried that the paper presented a model of how an attack on a small, unimportant part of the U.S. power ...
General Physics
Oct 12, 2010
12
0
Electronic computing speeds are brushing up against limits imposed by the laws of physics. Photonic computing, where photons replace comparatively slow electrons in representing information, could surpass those limitations, ...
Optics & Photonics
Mar 27, 2013
1
0
The origin of life on Earth is still a hotly-debated topic. There are many different theories on how life was kick-started, as well as various experiments underway attempting to understand the processes involved. For example, ...
Space Exploration
Sep 25, 2013
37
0
(Phys.org)—Stanford researchers in physics and engineering have demonstrated a device that produces a synthetic magnetism to exert virtual force on photons similar to the effect of magnets on electrons. The advance could ...
Optics & Photonics
Oct 31, 2012
9
0
Research physicists have demonstrated the first device capable of amplifying the information in a single particle of light without adding noise.
Quantum Physics
Nov 12, 2012
2
0
Pumping carbon dioxide underground may help combat the warming of the atmosphere but finding appropriate underground sites that could safely serve as reservoirs can be complicated.
Earth Sciences
Dec 1, 2021
0
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