News tagged with technique
Hubble directly observes the disc around a black hole
(PhysOrg.com) -- Scientists have used the NASA/ESA Hubble Space Telescope to observe a quasar accretion disc -- a glowing disc of matter that is slowly being sucked into its galaxy's central black hole. Their ...
Nov 04, 2011 |
4.8 / 5 (46) |
18
|
'Anti-atomic fingerprint': Physicists manipulate anti-hydrogen atoms for the first time (Update)
The ALPHA collaboration at CERN in Geneva has scored another coup on the antimatter front by performing the first-ever spectroscopic measurements of the internal state of the antihydrogen atom. Their results ...
Mar 07, 2012 |
5 / 5 (30) |
2
|
Researchers create bizarre optical phenomena, defying the laws of reflection and refraction
Exploiting a novel technique called phase discontinuity, researchers at the Harvard School of Engineering and Applied Sciences (SEAS) have induced light rays to behave in a way that defies the centuries-old ...
Sep 01, 2011 |
4.7 / 5 (26) |
26
|
Quantum physics first: Researchers observe single photons in two-slit interferometer experiment
Quantum mechanics is famous for saying that a tree falling in a forest when there's no one there doesn't make a sound. Quantum mechanics also says that if anyone is listening, it interferes with and changes the tree. And ...
Jun 02, 2011 |
4.9 / 5 (23) |
44
|
Research team finds disk encryption foils law enforcement efforts
(PhysOrg.com) -- A joint U.S./UK research team has found that common encryption techniques are so good that law enforcement, from local to highly resourceful federal agencies, are unable to get at data on ...
Nov 21, 2011 |
4.6 / 5 (23) |
30
|
Scientists take fresh look at 'faster-than-light' experiment
Scientists who threw down the gauntlet to physics by reporting particles that broke the Universe's speed limit said on Friday they were revisiting their contested experiment.
Oct 28, 2011 |
4.5 / 5 (22) |
146
Fruit fly intestine may hold secret to the fountain of youth
One of the few reliable ways to extend an organism's lifespan, be it a fruit fly or a mouse, is to restrict calorie intake. Now, a new study in fruit flies is helping to explain why such minimal diets are ...
Nov 02, 2011 |
4.9 / 5 (17) |
3
|
Organic electronic devices could be printed on ordinary CDs and DVDs
(PhysOrg.com) -- Organic electronics – those that involve carbon-based conductors instead of the traditional copper or silicon – have a number of advantages over metal electronics, including their ...
Sep 02, 2011 |
5 / 5 (16) |
5
|
Seeing the planets for the trees
A recent study says that a particular mathematical technique could be used to detect forests on extrasolar planets.
May 20, 2011 |
4.9 / 5 (14) |
13
|
Quantum copies do new tricks
One of the strange features of quantum information is that, unlike almost every other type of information, it cannot be perfectly copied. For example, it is impossible to take a single photon and make a number of photons ...
Mar 22, 2012 |
4.2 / 5 (13) |
22
|
Harnessing plasmonics, engineers weld nanowires with light
At the nano level, researchers at Stanford have discovered a new way to weld together meshes of tiny wires. Their work could lead to exciting new electronics and solar applications. To succeed, they called ...
Feb 06, 2012 |
4.8 / 5 (11) |
1
|
Under pressure, sodium and hydrogen could undergo a metamorphosis, emerging as a superconductor
(PhysOrg.com) -- In the search for superconductors, finding ways to compress hydrogen into a metal has been a point of focus ever since scientists predicted many years ago that electricity would flow, uninhibited, through ...
Jun 13, 2011 |
4.6 / 5 (11) |
9
|
'Pruned' microchips are faster, smaller, more energy-efficient
An international team of computing experts from the United States, Switzerland and Singapore has created a breakthrough technique for doubling the efficiency of computer chips simply by trimming away the portions that are ...
Technology / Computer Sciences
Mar 16, 2011 |
4.4 / 5 (10) |
7
|
In a single step, engineers create a rainbow-colored polymer
(PhysOrg.com) -- University at Buffalo engineers have developed a one-step, low-cost method to fabricate a polymer with extraordinary properties: When viewed from a single perspective, the polymer is rainbow-colored, ...
Feb 23, 2012 |
4.3 / 5 (9) |
2
|
New synchrotron X-ray technique could see hidden building blocks of life
Scientists from Finland and France have developed a new synchrotron X-ray technique that may revolutionize the chemical analysis of rare materials like meteoric rock samples or fossils. The results have been ...
Chemistry / Analytical Chemistry
May 29, 2011 |
4.8 / 5 (8) |
3
|
