News tagged with thermal gradient

Scientists solve decade-long mystery of nanopillar formations

Scientists at the California Institute of Technology have uncovered the physical mechanism by which arrays of nanoscale pillars can be grown on polymer films with very high precision, in potentially limitless ...

Nanotechnology / Nanophysics

created Oct 22, 2009 | popularity 4.9 / 5 (24) | comments 2




Search results for thermal gradient


New online energy harvesting data repository launched

Energy data from sources such as human motion, wind speeds and light irradiance that could be used to power wireless electronic devices is being made available to the world's scientific community, thanks to ...

Technology / Energy & Green Tech

created Mar 09, 2012 | popularity not rated yet | comments 0

How heavy and light isotopes separate in magma

In the crash-car derby between heavy and light isotopes vying for the coolest spots as magma turns to solid rock, weightier isotopes have an edge, research led by Case Western Reserve University shows.

Physics / General Physics

created Feb 24, 2012 | popularity 3.3 / 5 (3) | comments 2 | with audio podcast

Model analyzes shape-memory alloys for use in earthquake-resistant structures

Recent earthquake damage has exposed the vulnerability of existing structures to strong ground movement. At the Georgia Institute of Technology, researchers are analyzing shape-memory alloys for their potential ...

Technology / Engineering

created Feb 09, 2012 | popularity 5 / 5 (2) | comments 0 | with audio podcast

A 50-year quest to isolate the thermoelectric effect is now over: Magnon drag unveiled

In a paper published in Nature Materials, a group of researchers at the Catalan Institute of Nanotechnology (ICN, Spain) led by Prof. Sergio O. Valenzuela reports the observation of the magnon drag. This w ...

Physics / General Physics

created Dec 18, 2011 | popularity 5 / 5 (24) | comments 1 | with audio podcast

Tiny silicon nanowire generator harnesses energy from heat produced in electronic circuits

Electronic devices often develop ‘hot spots’ that can become detrimental to performance. Much research has focused on developing methods to cool the system, or, even better, convert the excess heat ...

Nanotechnology / Nanophysics

created Nov 29, 2011 | popularity 5 / 5 (2) | comments 1

Researchers ink nanostructures with tiny 'soldering iron'

Researchers with the Lawrence Berkeley National Laboratory (Berkeley Lab) have shed light on the role of temperature in controlling a fabrication technique for drawing chemical patterns as small as 20 nanometers. ...

Nanotechnology / Nanophysics

created Nov 07, 2011 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

New approach to solar power with hybrid solar-thermoelectric systems

Systems to harness the sun's energy typically generate either electricity or heat in the form of steam or hot water. But a new analysis by researchers at MIT shows that there could be significant advantages ...

Technology / Energy & Green Tech

created Oct 21, 2011 | popularity 5 / 5 (2) | comments 7 | with audio podcast

Glowing beacons reveal hidden order in dynamical systems

A dynamical system in which repeated measurements on a single particle yield the same mean result as a single measurement of the whole ensemble is said to be ergodic. The ergodic theorem expresses a fundamental physical principle, ...

Physics / General Physics

created Oct 19, 2011 | popularity 4.7 / 5 (3) | comments 0

Now you can determine the solar efficiency of your roof

It is becoming more and more common to install solar panels on roofs in order to obtain green electricity, but not all roofs are equally suitable. Scientists from the University of Gothenburg, Sweden, have ...

Technology / Energy & Green Tech

created Oct 17, 2011 | popularity 5 / 5 (1) | comments 0

'Next-generation' optical tweezers trap tightly without overheating (w/ video)

(PhysOrg.com) -- Engineers at Harvard have created a device that may make it easier to isolate and study tiny particles such as viruses.

Physics / General Physics

created Sep 26, 2011 | popularity 5 / 5 (2) | comments 3 | with audio podcast


List of search results for thermal gradient