Directly converting electrical power to heat is easy. It regularly happens in your toaster, that is, if you make toast regularly. The opposite, converting heat into electrical power, isn't so easy.
General Physics
Jul 9, 2018
2
522
Plasmonic nanoparticles are extremely sensitive to light, and even the tiniest amount can cause these particles to heat up. Scientists are now trying to use plasmonic nanoparticles in cancer therapy whereby light energy is ...
Bio & Medicine
Dec 23, 2011
0
0
This new NASA Hubble Space Telescope image of IC 4271, also known as Arp 40, is a curious pair of spiral galaxies some 800 million light-years away. The smaller galaxy is superimposed on the larger one, which is a type of ...
Astronomy
May 23, 2022
0
109
Objects in space reveal different aspects of their composition and behavior at different wavelengths of light. Supernova remnant Cassiopeia A (Cas A) is one of the most well-studied objects in the Milky Way across the wavelength ...
Astronomy
Dec 11, 2023
2
63
This image shows the spiral galaxy NGC 5037, in the constellation of Virgo. First documented by William Herschel in 1785, the galaxy lies about 150 million light-years away from Earth. Despite this distance, we can see the ...
Astronomy
May 28, 2021
0
534
A TU/e research group has developed a new near-infrared sensor that is easy to make, comparable in size to sensors in smartphones, and ready for immediate use in industrial process monitoring and agriculture. This breakthrough ...
Optics & Photonics
Jan 12, 2022
0
160
We've now seen the first data from the James Webb Space Telescope. It has observed the atmospheres of distant planets, groups of nearby galaxies, galaxy light bent by unseen dark matter, and clouds of gas and dust in stellar ...
Astronomy
Aug 1, 2022
2
228
Astronomers have used NASA's Chandra X-ray Observatory and other telescopes to show that a recently-discovered galaxy is undergoing an extraordinary boom of stellar construction. The galaxy is 12.7 billion light years from ...
Astronomy
Dec 8, 2016
15
733
In a move akin to adding chemical weapons to a firebomb, researchers at Duke University have devised a method for making a promising nanoscale cancer treatment even more deadly to tumors.
Bio & Medicine
Jul 13, 2015
0
690
(Phys.org) -- Cornell researchers have developed a new method of generating terahertz signals on an inexpensive silicon chip, offering possible applications in medical imaging, security scanning and wireless data transfer.
General Physics
Jul 11, 2012
4
1
