Turning heat to electricity

Turning heat to electricity... efficiently

Physics / General Physics

created Nov 18, 2009 | popularity 4.8 / 5 (54) | comments 4

(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 ...


LCROSS Impact Data Indicates Water on Moon

LCROSS Impact Finds Water on the Moon

Space & Earth / Space Exploration

created Nov 13, 2009 | popularity 4.9 / 5 (31) | comments 14

(PhysOrg.com) -- The argument that the moon is a dry, desolate place no longer holds water. Secrets the moon has been holding, for perhaps billions of years, are now being revealed to the delight of scientists ...


Extinct goat Myotragus balearicus

Extinct goat was cold-blooded

Biology / Plants & Animals

created Nov 18, 2009 | popularity 4.9 / 5 (28) | comments 10

(PhysOrg.com) -- An extinct goat that lived on a barren Mediterranean island survived for millions of years by reducing in size and by becoming cold-blooded, which has never before been discovered in mammals.


Accidental discovery produces durable new blue pigment for multiple applications

Accidental discovery produces durable new blue pigment for multiple applications

Chemistry / Biochemistry

created Nov 16, 2009 | popularity 4.5 / 5 (28) | comments 6

An accidental discovery in a laboratory at Oregon State University has apparently solved a quest that over thousands of years has absorbed the energies of ancient Egyptians, the Han dynasty in China, Mayan ...


New study confirms exotic electric properties of graphene

New study confirms exotic electric properties of graphene

Nanotechnology / Nanomaterials

created Nov 17, 2009 | popularity 4.8 / 5 (23) | comments 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: ...


Mystery of the Solar Tsunami -- Solved

Mystery of the Solar Tsunami -- Solved (w/ Video)

Space & Earth / Astronomy

created Nov 19, 2009 | popularity 4.9 / 5 (22) | comments 7

(PhysOrg.com) -- Sometimes you really can believe your eyes. That's what NASA's Solar Terrestrial Relations Observatory (STEREO) is telling researchers about a controversial phenomenon on the sun known as ...


Nanoparticles used in common household items caused genetic damage in mice

Nanotechnology / Bio & Medicine

created Nov 16, 2009 | popularity 4.7 / 5 (22) | comments 11

Titanium dioxide (TiO2) nanoparticles, found in everything from cosmetics to sunscreen to paint to vitamins, caused systemic genetic damage in mice, according to a comprehensive study conducted by researchers at UCLA's Jonsson ...


Scientists demonstrate 'universal' programmable quantum processor

Scientists demonstrate 'universal' programmable quantum processor

Physics / Quantum Physics

created Nov 15, 2009 | popularity 4.6 / 5 (21) | comments 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 ...


MIT scientists pinpoint origin of dissolved arsenic in Bangladesh drinking water

Scientists pinpoint origin of dissolved arsenic in Bangladesh drinking water

Space & Earth / Environment

created Nov 15, 2009 | popularity 4.8 / 5 (20) | comments 0

Researchers in MIT's Department of Civil and Environmental Engineering believe they have pinpointed a pathway by which arsenic may be contaminating the drinking water in Bangladesh, a phenomenon that has puzzled ...


Computer Based on Insights From The Brain Moves Closer to Reality

Computer Based on Insights From The Brain Moves Closer to Reality

Technology / Computer Sciences

created Nov 18, 2009 | popularity 4.6 / 5 (19) | comments 3

(PhysOrg.com) -- Today at SC 09, the supercomputing conference, IBM announced significant progress toward creating a computer system that simulates and emulates the brain's abilities for sensation, perception, ...


Road trains may be coming soon to Europe

Road trains may be coming soon to Europe (w/ Video)

Technology / Engineering

created Nov 13, 2009 | popularity 4.6 / 5 (18) | comments 22

(PhysOrg.com) -- Road trains linking vehicles together in a traveling convoy are planned for Europe. With only the lead vehicle being actively driven, the road trains would allow commuters to sleep, read a ...


Mysteriously warm times in Antarctica

Mysteriously warm times in Antarctica

Space & Earth / Earth Sciences

created Nov 18, 2009 | popularity 4.3 / 5 (19) | comments 25

(PhysOrg.com) -- A new study of Antarctica's past climate reveals that temperatures during the warm periods between ice ages (interglacials) may have been higher than previously thought. The latest analysis ...


Advanced nuclear fuel sets global performance record

Advanced nuclear fuel sets global performance record

Technology / Energy

created Nov 17, 2009 | popularity 4.5 / 5 (18) | comments 1

(PhysOrg.com) -- Idaho National Laboratory scientists have set a new world record with next-generation particle fuel for use in high temperature gas reactors (HTGRs).


Building a more versatile laser

Building a more versatile laser

Physics / Optics & Photonics

created Nov 16, 2009 | popularity 4.4 / 5 (18) | comments 0

(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. ...


Proton's party pals may alter its internal structure

Proton's party pals may alter its internal structure

Physics / General Physics

created Nov 18, 2009 | popularity 4.6 / 5 (17) | comments 9

A recent experiment at the DOE's Thomas Jefferson National Accelerator Facility has found that a proton's nearest neighbors in the nucleus of the atom may modify the proton's internal structure.