How heat flows at the nanoscale can be very different than at larger scales. Understanding how surfaces affect the transport of the fundamental units of heat, called phonons, could impact everything from thermoelectric materials ...
General Physics
Feb 27, 2014
0
3
Just how stars and black holes in the Universe are able to form from rotating matter is one of the big questions of astrophysics. What we do know is that magnetic fields figure prominently into the picture. However, our current ...
Astronomy
Aug 15, 2013
34
3
(Phys.org) —Those drops on the outside of your drink don't just make the can slippery. Experiments show that in hot, humid weather, condensation heats a drink more than the surrounding air.
General Physics
Apr 25, 2013
7
0
(Phys.org)—Copper is one of the world's most widely used metals. Now researchers at the University of Dundee have found that blackening copper using industry-standard lasers could make it even more adaptable and efficient.
Condensed Matter
Jan 16, 2013
2
0
(Phys.org)—An international collaboration led by researchers from the NIST Center for Nanoscale Science and Technology has demonstrated the ability to make photons emitted by quantum dots at different frequencies identical ...
Quantum Physics
Dec 20, 2012
0
2
Rhythm pulses inside the brain of a Ghanaian drummer, sitting in a physics laboratory in Gottingen, Germany. His hands caress the skin of a bongo drum, guided by the metronome’s tick through his headphones. He plays ...
General Physics
Jul 20, 2012
5
1
A new article by a Northwestern University complex networks expert discusses how networks governing processes in nature and society are becoming increasingly amenable to modeling, forecast and control.
Mathematics
Apr 19, 2012
0
0
A pair of precision-orbiting small satellites will attempt to capture the first views ever of small-scale features near the surface of the sun that scientists believe drive the heating and acceleration of solar wind.
Optics & Photonics
Dec 5, 2023
0
27
It sounds like something out of a bad science fiction movie—artificially blocking sunlight to keep global warming from overheating the Earth. Nevertheless, a small cadre of researchers is studying the option—so that if ...
Earth Sciences
Sep 16, 2021
1
83
Given a choice of items to lose on a train, a top-secret document detailing the newly developed hydrogen bomb should be on the bottom of the list. In January 1953, amid the Red Scare and the Korean War, that's exactly what ...
General Physics
Dec 4, 2019
4
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