Comets contributed to Earth's atmosphere, says study of 3 billion-year-old minerals
Scientists have revealed that some of Earth's atmosphere may have been brought to the planet by comets billions of years ago.
Scientists have revealed that some of Earth's atmosphere may have been brought to the planet by comets billions of years ago.
Earth Sciences
May 18, 2017
0
227
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
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
NASA's Curiosity rover has found evidence that chemistry in the surface material on Mars contributed dynamically to the makeup of its atmosphere over time. It's another clue that the history of the Red Planet's atmosphere ...
Space Exploration
Sep 30, 2016
0
1157
LUX-ZEPLIN (LZ), a next-generation dark matter detector that will be at least 100 times more sensitive than its predecessor, has cleared another approval milestone and is on schedule to begin its deep-underground hunt for ...
General Physics
Sep 26, 2016
8
47
(Phys.org)—Xenon, one of the noble gases, forms oxides that are not stable under ambient conditions, but are stable under very high pressure. In an effort to understand why the Earth's crust and atmosphere lacks the expected ...
Researchers are investigating a new material that might help in nuclear fuel recycling and waste reduction by capturing certain gases released during reprocessing. Conventional technologies to remove these radioactive gases ...
Materials Science
Jun 13, 2016
7
1303
Prototyping of a new, ultrasensitive "eye" for dark matter is making rapid progress at the Department of Energy's SLAC National Accelerator Laboratory: Researchers and engineers have installed a small-scale version of the ...
General Physics
Jun 2, 2016
2
63
Physicists at the Swiss Nanoscience Institute and the University of Basel have succeeded in measuring the very weak van der Waals forces between individual atoms for the first time. To do this, they fixed individual noble ...
Nanophysics
May 13, 2016
2
13664
Here's a new technology that's potentially disruptive precisely because it's non-disruptive: Scientists at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a device that enables ...
Condensed Matter
Mar 17, 2016
0
253