Physicists from MIPT and Vladimir State University, Russia, have converted light energy into surface waves on graphene with nearly 90% efficiency. They relied on a laser-like energy conversion scheme and collective resonances. ...
Nanophysics
Nov 16, 2020
1
190
Flares from the sun are some of the nastiest things in the solar system. When the sun flares, it belches out intense X-ray radiation (and sometimes even worse). Predicting solar flares is a tricky job, and a new research ...
Astronomy
Oct 14, 2020
3
10
Particle accelerators generate high-energy beams of electrons, protons and ions for a wide range of applications, including particle colliders that shed light on nature's subatomic components, X-ray lasers that film atoms ...
General Physics
Sep 24, 2020
2
615
An international group of researchers observed a source of variable gamma rays identified in 2010 by the NASA satellite Fermi. They used a technique called VLBI, that combines data from several radio telescopes on Earth, ...
Astronomy
Jun 29, 2020
0
467
A 50-year-old theory that began as speculation about how an alien civilization could use a black hole to generate energy has been experimentally verified for the first time in a Glasgow research lab.
General Physics
Jun 23, 2020
32
30212
Marine scientists from around the world spent the last four years reviewing numerous studies and other data on the possible environmental effects of marine renewable energy (MRE) devices and found that the potential impact ...
Environment
Jun 8, 2020
0
6
A new study finds that about 31 million people worldwide live in coastal regions that are "highly vulnerable" to future tropical storms and sea-level rise driven by climate change. In some of those regions, however, powerful ...
Environment
Jun 2, 2020
0
386
Scientists have developed a new type of laser that can deliver high amounts of energy in very short bursts of time, with potential applications in eye and heart surgery or the engineering of delicate materials.
Optics & Photonics
May 25, 2020
0
2000
During heat waves, people tend to crank up their home's air conditioning not only because it got hotter outside, but also because it feels too humid.
Environment
Apr 15, 2020
0
85
When the American physicist Arthur Compton discovered that light waves behave like particles in 1922, and could knock electrons out of atoms during an impact experiment, it was a milestone for quantum mechanics. Five years ...
Quantum Physics
Apr 15, 2020
1
1722
