Building a more versatile laser
13 hours ago |
4.1 / 5 (10) |
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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. ...
Engineer Discovers Why Particles Like Flour Disperse on Liquids
4 hours ago |
4.3 / 5 (6) |
1
(PhysOrg.com) -- Even if you are not a cook, you might have wondered why a pinch of flour (or any small particles) thrown into a bowl of water will disperse in a dramatic fashion, radiating outward as if it ...
Measuring Electron Orbitals
14 hours ago |
5 / 5 (4) |
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(PhysOrg.com) -- For the first time, it has been possible to measure electron density in individual molecular states using what is known as the photoelectric effect. Now published in Science, this method repres ...
Scientists demonstrate 'universal' programmable quantum processor
Nov 15, 2009 |
4.6 / 5 (20) |
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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 ...
Do we need dark matter?
Nov 12, 2009 |
4.1 / 5 (18) |
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It's the biggest problem in physics: the matter we can see in the universe accounts for just five per cent of the observed gravity that holds galaxies together.
A line on string theory
Nov 12, 2009 |
4.7 / 5 (44) |
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(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 ...
Pushing light beyond its known limits
Nov 12, 2009 |
4.1 / 5 (17) |
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Scientists at the University of Adelaide have made a breakthrough that could change the world's thinking on what light is capable of.
Invisibility visualized: German team unveils new software for rendering cloaked objects
Nov 13, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- Scientists and curiosity seekers who want to know what a partially or completely cloaked object would look like in real life can now get their wish -- virtually. A team of researchers at the ...
Solving big problems with new quantum algorithm
Nov 09, 2009 |
4.6 / 5 (31) |
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(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 ...
Researchers take the lead out of piezoelectrics
Nov 13, 2009 |
3 / 5 (2) |
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There is good news for the global effort to reduce the amount of lead in the environment and for the growing array of technologies that rely upon the piezoelectric effect. A lead-free alternative to the current ...
Stars Fueled by Dark Matter Could Hold Secrets to the Universe
Nov 03, 2009 |
4.5 / 5 (57) |
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(PhysOrg.com) -- The first stars in the universe may have been very different from the stars we see today, yet they may hold clues to understanding some of the mysterious features of the universe. These "dark ...
Tiny Music Player Made from Wire Bridge (w/ Video)
Nov 04, 2009 |
4.1 / 5 (16) |
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(PhysOrg.com) -- In 2008, scientists built a loudspeaker made of carbon nanotubes that produced sound and music based on the thermoacoustic effect. Now, a different team of scientists has built a loudspeaker ...
Second Law of Thermodynamics May Explain Economic Evolution
Nov 02, 2009 |
4.3 / 5 (34) |
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(PhysOrg.com) -- Terms such as the "invisible hand," laissez-faire policy, and free-market principles suggest that economic growth and decline in capitalist societies seem to be somehow self-regulated. Now, ...
Creating a six-qubit cluster state
Nov 02, 2009 |
4.6 / 5 (10) |
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(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 ...
Ionic Liquid's Makeup Measurably Non-Uniform at the Nanoscale
Nov 10, 2009 |
5 / 5 (1) |
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(PhysOrg.com) -- Researchers at Texas Tech University, Queen's University in Belfast, Ireland, the University of Rome and the National Research Council in Italy recently made a discovery about the non-uniform chemical compositions ...
