Experimental results from the XENON1T dark matter detector limit the effective size of dark matter particles to 4.1X10-47 square centimeters—one-trillionth of one-trillionth of a centimeter squared—the most stringent ...
General Physics
May 30, 2018
19
296
The difficult yet successful measurement of several isotopes of the noble gas xenon on comet 67P/Churyumov-Gerasimenko using the Bernese instrument ROSINA on the Rosetta probe shows that materials arrived on Earth due to ...
Earth Sciences
Jun 8, 2017
1
266
Teams of physicists worldwide have been trying to detect dark matter, an elusive type of matter that does not emit, absorb, or reflect light. Due to its lack of interactions with electromagnetic forces, this matter is very ...
The race is on to build the most sensitive U.S.-based experiment designed to directly detect dark matter particles. Department of Energy officials have formally approved a key construction milestone that will propel the project ...
General Physics
Feb 13, 2017
10
94
Researchers using the Linac Coherent Light Source (LCLS) at the U.S. Department of Energy's (DOE) SLAC National Accelerator Laboratory have found a way to strip most of the electrons from xenon atoms, creating a "supercharged," ...
Optics & Photonics
Nov 11, 2012
4
0
(Phys.org) —Last week, the U.S. Department of Energy's Office of Science and the National Science Foundation announced support for a suite of upcoming experiments to search for dark matter that will be many times more sensitive ...
General Physics
Jul 16, 2014
8
4
When nuclear fuel gets recycled, the process releases radioactive krypton and xenon gases. Naturally occurring uranium in rock contaminates basements with the related gas radon. A new porous material called CC3 effectively ...
Materials Science
Jul 20, 2014
0
0
(PhysOrg.com) -- GOCE's sophisticated electric ion propulsion system has been switched on and confirmed to be operating normally, marking another crucial milestone in the satellite's post-launch commissioning phase.
Space Exploration
Apr 6, 2009
2
0
In the sun and other fusion plasmas, atoms of hydrogen and its isotopes are the fuel. Plasmas are gases that are so hot that electrons are knocked free of the atom, making the atoms electrically charged ions. The un-ionized ...
Plasma Physics
Jan 30, 2017
0
9
Scientists have developed the first ever fail-safe test to check for carbon dioxide (CO2) leaks from carbon capture and storage sites deep underground.
Earth Sciences
Dec 14, 2011
2
0
