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Three-telescope interferometry allows astrophysicists to observe how black holes are fueled

(Phys.org) -- By combining the light of three powerful infrared telescopes, an international research team has observed the active accretion phase of a supermassive black hole in the center of a galaxy tens ...

Space & Earth / Astronomy

created May 16, 2012 | popularity 4.9 / 5 (13) | comments 1 | with audio podcast

Plasmonic device converts light into electricity

(PhysOrg.com) -- While the most common device for converting light into electricity may be photovoltaic (PV) solar cells, a variety of other devices can perform the same light-to-electricity conversion, such ...

Nanotechnology / Nanophysics

created Nov 09, 2011 | popularity 4.6 / 5 (13) | comments 3 | with audio podcast feature

Wi-Fi Alliance announces Passpoint program to start in June

(Phys.org) -- The Wi-Fi Alliance, an industry group bent on making Wi-Fi access more available more easily, has announced that it will begin certifying devices and hot-spot providers (using the Hotspot 2 definition) starting next month ...

Technology / Telecom

created May 09, 2012 | popularity 5 / 5 (2) | comments 2 | with audio podcast report

Measurement of 'hot' electrons could have solar energy payoff

(PhysOrg.com) -- Basic scientific curiosity paid off in unexpected ways when Rice University researchers investigating the fundamental physics of nanomaterials discovered a new technology that could dramatically ...

Nanotechnology / Nanophysics

created May 05, 2011 | popularity 5 / 5 (6) | comments 0 | with audio podcast

Scientists Develop First Chip-Scale Thermoelectric Cooler

(PhysOrg.com) -- As computer chips become more powerful, they also become hotter. Nearly all the power that flows into a chip comes out of it as waste heat, and that heat hurts the performance of the chip. ...

Nanotechnology / Nanophysics

created Feb 02, 2009 | popularity 4.4 / 5 (11) | comments 7 weblog

Discovery of a 'dark state' could increase maximum theoretical efficiency of solar cells from 31 to 44 percent

The efficiency of conventional solar cells could be significantly increased, according to new research on the mechanisms of solar energy conversion led by chemist Xiaoyang Zhu at The University of Texas at Austin.

Physics / Condensed Matter

created Dec 15, 2011 | popularity 4.8 / 5 (23) | comments 12 | with audio podcast

Astronomers find weird, warm spot on an exoplanet

(PhysOrg.com) -- Observations from NASA's Spitzer Space Telescope reveal a distant planet with a warm spot in the wrong place.

Space & Earth / Astronomy

created Oct 19, 2010 | popularity 4.4 / 5 (25) | comments 16 | with audio podcast

Turning Planetary Theory Upside Down (w/ Video)

(PhysOrg.com) -- The discovery of nine new transiting exoplanets is announced today at the RAS National Astronomy Meeting. When these new results were combined with earlier observations of transiting exoplanets ...

Space & Earth / Astronomy

created Apr 13, 2010 | popularity 4.7 / 5 (30) | comments 19 | with audio podcast

New explanation for Hawaiian hot spot

(PhysOrg.com) -- Scientists in the US have suggested that volcanic activity in Hawaii could be fed by a giant hot rock pool 1,000 kilometers west of the islands and in the Earth’s mantle, rather than ...

Space & Earth / Earth Sciences

created May 27, 2011 | popularity 4.4 / 5 (11) | comments 3 | with audio podcast report

Cold case: Siberian hot springs reveal ancient ecology (w/ video)

(PhysOrg.com) -- Exotic bacteria that do not rely on oxygen may have played an important role in determining the composition of Earth's early atmosphere, according to a theory that UChicago researcher Albert ...

Space & Earth / Earth Sciences

created Apr 26, 2011 | popularity 4.9 / 5 (12) | comments 0 | with audio podcast

Hot springs microbe yields record-breaking, heat-tolerant enzyme

Bioprospectors from the University of California, Berkeley, and the University of Maryland School of Medicine have found a microbe in a Nevada hot spring that happily eats plant material – cellulose – ...

Biology / Cell & Microbiology

created Jul 05, 2011 | popularity 5 / 5 (6) | comments 7 | with audio podcast

Six new planets discovered

(PhysOrg.com) -- An international team, including Oxford University scientists, has discovered six diverse new planets, from 'shrunken-Saturns' to 'bloated hot Jupiters', as well a rare brown dwarf with 60 ...

Space & Earth / Astronomy

created Jun 14, 2010 | popularity 4.8 / 5 (30) | comments 3 | with audio podcast

Geologic map of Jupiter's moon Io details an otherworldly volcanic surface

More than 400 years after Galileo's discovery of Io, the innermost of Jupiter's largest moons, a team of scientists led by Arizona State University (ASU) has produced the first complete global geologic map ...

Space & Earth / Space Exploration

created Mar 19, 2012 | popularity 4.1 / 5 (8) | comments 9 | with audio podcast

Early exit for hot Jupiter due to deadly tides

(PhysOrg.com) -- Bad news for planet hunters: most of the "hot Jupiters" that astronomers have been searching for in star clusters were likely destroyed long ago by their stars. In a paper accepted for publication ...

Space & Earth / Astronomy

created Sep 10, 2010 | popularity 4.7 / 5 (14) | comments 1 | with audio podcast

Highly efficient solar cells could result from quantum dot research

Conventional solar cell efficiency could be increased from the current limit of 30 percent to more than 60 percent, suggests new research on semiconductor nanocrystals, or quantum dots, led by chemist Xiaoyang ...

Nanotechnology / Nanomaterials

created Jun 17, 2010 | popularity 4.5 / 5 (30) | comments 4 | with audio podcast