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The next computer: your genes

(PhysOrg.com) -- "Human beings are more or less like a computer," Jian-Jun Shu tells PhysOrg.com. "We do computing work, and our DNA can be used in computing operations." Shu is a professor at the School of Mec ...

Physics / General Physics

created May 16, 2011 | popularity 3.2 / 5 (40) | comments 24 | with audio podcast feature

Quantum dots with built-in charge boost solar cell efficiency by 50%

(PhysOrg.com) -- For the past few years, researchers have been using quantum dots to increase the light absorption and overall efficiency of solar cells. Now, researchers have taken a step further, demonstrating ...

Nanotechnology / Nanophysics

created May 13, 2011 | popularity 4.9 / 5 (21) | comments 13 | with audio podcast feature

Foldable display shows no crease after 100,000 folding cycles

(PhysOrg.com) -- One of the most difficult problems for designing mobile devices is finding a way to minimize the size of the device while simultaneously maximizing the size of the display. To get the best ...

Physics / Condensed Matter

created May 12, 2011 | popularity 4.9 / 5 (26) | comments 10 | with audio podcast feature

Cheap, abundant cathode material found for producing hydrogen fuel (w/ video)

(PhysOrg.com) -- By replacing catalysts made of expensive noble metals like platinum with cheaper, earth-abundant materials, researchers have taken a step toward enabling the large-scale production of hydrogen ...

Chemistry / Materials Science

created May 10, 2011 | popularity 4.4 / 5 (22) | comments 60 | with audio podcast feature

Water waves exhibit negative gravity near a periodic array of buoys

(PhysOrg.com) -- Ocean waves can be incredibly strong and very difficult to block completely. When a wave moving across the ocean interacts with a buoy, the wave can be slightly dampened, but will still pass ...

Physics / Condensed Matter

created May 09, 2011 | popularity 3.8 / 5 (21) | comments 17 | with audio podcast feature

Proposal for optical transistor uses light to control light

(PhysOrg.com) -- By using one light pulse to control another, researchers have proposed a design for an optical transistor that fulfills the most challenging criteria set forth in a study last year. An optical ...

Physics / Optics & Photonics

created May 05, 2011 | popularity 4.9 / 5 (16) | comments 6 | with audio podcast feature

Proposed gamma-ray laser could emit 'nuclear light'

(PhysOrg.com) -- Building a nuclear gamma-ray laser has been a challenge for scientists for a long time, but a new proposal for such a device has overcome some of the most difficult problems. In the new study, Eugene Tkalya ...

Physics / Optics & Photonics

created May 02, 2011 | popularity 4.6 / 5 (20) | comments 12 | with audio podcast feature

Sensitivity of precision measurements enhanced by the environment

(PhysOrg.com) -- When it comes to quantum measurements, interaction with the environment usually limits sensitivity, since it causes decoherence. But in a new study, scientists have shown that the environment ...

Physics / Quantum Physics

created Apr 27, 2011 | popularity 3.7 / 5 (3) | comments 0 | with audio podcast feature

Through a Sensor, Holographically

(PhysOrg.com) -- The power and resolution of lens-based optical microscopes have improved by orders of magnitude since their invention around 1595. Nevertheless, relying on a high-magnification lens for image ...

Physics / Optics & Photonics

created Apr 26, 2011 | popularity 4.2 / 5 (5) | comments 1 | with audio podcast feature

Chemists fabricate 'impossible' material

(PhysOrg.com) -- When atoms combine to form compounds, they must follow certain bonding and valence rules. For this reason, many compounds simply cannot exist. But there are some compounds that, although they ...

Chemistry / Materials Science

created Apr 25, 2011 | popularity 4.8 / 5 (68) | comments 9 | with audio podcast feature

New carbon allotrope could have a variety of applications

(PhysOrg.com) -- Carbon comes in many different forms, and now scientists have predicted another new form, or allotrope, of carbon. The new form of carbon, which they call T-carbon, has very intriguing physical ...

Nanotechnology / Nanophysics

created Apr 22, 2011 | popularity 4.4 / 5 (19) | comments 8 | with audio podcast feature

Primordial beryllium could reveal insights into the Big Bang

(PhysOrg.com) -- Some chemical elements appear much more abundantly in nature than others, which is partly due to how the elements originally formed. Scientists know that the light elements (hydrogen, deuterium, ...

Physics / General Physics

created Apr 21, 2011 | popularity 4.6 / 5 (25) | comments 16 | with audio podcast feature

Energy harvesting skin generates power from air conditioners

(PhysOrg.com) -- Devices that harvest ambient energy from the surrounding environment have become popular since, for some applications, they eliminate the need for batteries that must constantly be replaced. ...

Technology / Engineering

created Apr 20, 2011 | popularity 4.9 / 5 (7) | comments 7 | with audio podcast feature

New soft motor more closely resembles real muscles (w/ video)

(PhysOrg.com) -- "When you pick up a spoon with your fingers, you are able to move it from side to side and rotate it too by moving thumb and forefinger in opposition," Iain Anderson tells PhysOrg.com. Your hand is a soft ...

Physics / General Physics

created Apr 18, 2011 | popularity 4.2 / 5 (12) | comments 0 | with audio podcast feature

Antimatter gravity could explain Universe's expansion

(PhysOrg.com) -- In 1998, scientists discovered that the Universe is expanding at an accelerating rate. Currently, the most widely accepted explanation for this observation is the presence of an unidentified ...

Physics / General Physics

created Apr 13, 2011 | popularity 4.8 / 5 (44) | comments 266 | with audio podcast feature