The standard view of gamma-ray bursts as a signature for different types of dying stars might need a rewrite. Recent astronomical observations, supported by theoretical modeling, reveal a new observational fingerprint of ...
Astronomy
Dec 7, 2022
0
92
Ever since the first human placed a bare hand on an uninsulated electric line, people have refrained from personally testing energetic materials. Even meters made of metal can melt at high voltages.
General Physics
Nov 10, 2021
0
46
The 'Gamma Factory initiative'—an international team of scientists—is currently exploring a novel research tool: They propose to develop a source of high-intensity gamma rays using the existing accelerator facilities ...
General Physics
Jul 22, 2020
0
8
A few minutes into the life of the universe, colliding emissions of light energy created the first particles of matter and antimatter. We are familiar with the reverse process—matter generating energy—in everything from ...
Optics & Photonics
May 29, 2020
26
7864
A physicist at the University of California, Riverside, has performed calculations showing hollow spherical bubbles filled with a gas of positronium atoms are stable in liquid helium.
General Physics
Dec 6, 2019
19
8263
International group of researchers including scientists from Skoltech have invented a new method for the generation of intense X-ray and gamma-ray radiation based on nonlinear Compton scattering. Their results were published ...
Optics & Photonics
Jun 14, 2019
0
11
In laser facilities in the UK, Imperial physicists are testing an 84-year-old theory which was once thought impossible to prove.
Optics & Photonics
Mar 20, 2018
0
655
Electromagnetic radiation is pervasive. It comes in many forms, including radio waves, microwaves and high-energy X-rays and gamma rays. But what, precisely, is it?
Optics & Photonics
Mar 8, 2018
0
19
Researchers have discovered a highly efficient way to produce high energy photon beams. The obtained energy is a billion times higher than the energy of photons in visible light. These high-intensity gamma rays significantly ...
Optics & Photonics
Oct 20, 2017
2
77
Ever play with a magnifying lens as a kid? Imagine a lens as big as the Earth. Now focus sunlight down to a pencil tip. That still wouldn't be good enough for what some Texas scientists have in mind. They want to make light ...
General Physics
Jul 11, 2016
5
50
