Search results for quantum:
Turning heat to electricity... efficiently
Nov 18, 2009 |
4.8 / 5 (62) |
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(PhysOrg.com) -- In everything from computer processor chips to car engines to electric powerplants, the need to get rid of excess heat creates a major source of inefficiency. But new research points the way ...
A line on string theory
Nov 12, 2009 |
4.7 / 5 (46) |
15
(PhysOrg.com) -- A Harvard theoretical physicist has discussed with scientists at the Large Hadron Collider in Switzerland the possibility that they may discover a theorized "stau" particle, with a lifetime ...
Solving big problems with new quantum algorithm
Nov 09, 2009 |
4.6 / 5 (32) |
0
(PhysOrg.com) -- In a recently published paper, Aram Harrow at the University of Bristol and colleagues from MIT in the United States have discovered a quantum algorithm that solves large problems much faster ...
Explained: The Discrete Fourier Transform
Nov 25, 2009 |
4.2 / 5 (34) |
8
(PhysOrg.com) -- In 1811, Joseph Fourier, the 43-year-old prefect of the French district of Isčre, entered a competition in heat research sponsored by the French Academy of Sciences. The paper he submitted ...
New study confirms exotic electric properties of graphene
Nanotechnology / Nanomaterials
Nov 17, 2009 |
4.8 / 5 (23) |
1
(PhysOrg.com) -- First, it was the soccer-ball-shaped molecules dubbed buckyballs. Then it was the cylindrically shaped nanotubes. Now, the hottest new material in physics and nanotechnology is graphene: ...
Scientists demonstrate 'universal' programmable quantum processor
Nov 15, 2009 |
4.5 / 5 (23) |
11
Physicists at the National Institute of Standards and Technology have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- th ...
Quantum gas microscope offers glimpse of quirky ultracold atoms
Nov 04, 2009 |
4.6 / 5 (19) |
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(PhysOrg.com) -- Physicists at Harvard University have created a quantum gas microscope that can be used to observe single atoms at temperatures so low the particles follow the rules of quantum mechanics, ...
Spin polarization achieved in room temperature silicon
Nov 27, 2009 |
4.9 / 5 (18) |
0
(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely low temperatures, ...
Building a more versatile laser
Nov 16, 2009 |
4.5 / 5 (19) |
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(PhysOrg.com) -- One of the drawbacks associated with using semiconductor lasers is that many of them can only produce a beam of a single wavelength, and can only send that beam in one direction at a time. ...
First Bose-Einstein condensation of strontium
Nov 09, 2009 |
4.8 / 5 (10) |
5
In an international first, scientists from the Institute of Quantum Optics and Quantum Information (IQOQI, Austria) produced a Bose-Einstein condensate of the alkaline-earth element strontium, thus narrowly ...
Creating a six-qubit cluster state
Nov 02, 2009 |
4.6 / 5 (10) |
2
(PhysOrg.com) -- Many scientists believe that quantum entanglement is required in order for effective quantum computing. Entanglement takes place when there is a connection that exists between two objects - even when they ...
Straightening messy correlations with a quantum comb
Nov 23, 2009 |
4.8 / 5 (9) |
0
Quantum computing promises ultra-fast communication, computation and more powerful ways to encrypt sensitive information. But trying to use quantum states as carriers of information is an extremely delicate ...
Science Begins at the World's Most Powerful X-ray Laser (w/ Video)
Nov 02, 2009 |
4.4 / 5 (9) |
2
(PhysOrg.com) -- The first experiments are now underway using the world's most powerful X-ray laser, the Linac Coherent Light Source, located at the Department of Energy's SLAC National Accelerator Laboratory. ...
Using superconducting probes to get a picture of what it's like inside CNTs
Nov 20, 2009 |
4.4 / 5 (9) |
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(PhysOrg.com) -- "Carbon nanotubes are exciting for fundamental physics, and for potential technological applications," Nadya Mason tells PhysOrg.com. "However, we are generally limited in the way that we can study them. ...
Commercialization of new solar technology to boost solar efficiency
Nov 09, 2009 |
4 / 5 (9) |
1
A pioneer in solar power in the 1990s before it became "sexy," University of Houston Professor Alex Freundlich recently entered into a collaborative research agreement with U.K.-based start-up QuantaSol for the development ...
