Planetary defense researchers at Lawrence Livermore National Laboratory (LLNL) continue to validate their ability to accurately simulate how they might deflect an Earth-bound asteroid in a study that will be published in ...
Space Exploration
Mar 27, 2020
21
2197
Scientists for the first time have witnessed pieces of metal crack, then fuse back together without any human intervention, overturning fundamental scientific theories in the process. If the newly discovered phenomenon can ...
Analytical Chemistry
Jul 19, 2023
4
4852
(Phys.org) —In the early morning hours of Aug.13, Lawrence Livermore's National Ignition Facility (NIF) focused all 192 of its ultra-powerful laser beams on a tiny deuterium-tritium filled capsule. In the nanoseconds that ...
General Physics
Aug 27, 2013
52
0
Not all of the material around us is stable. Some materials may undergo radioactive decay to form more stable isotopes. Scientists have now observed a new decay mode for the first time. In this decay, a lighter form of oxygen, ...
General Physics
Sep 4, 2023
3
335
When a computer attack hobbled Iran's unfinished nuclear power plant last year, it was assumed to be a military-grade strike, the handiwork of elite hacking professionals with nation-state backing.
Other
Oct 23, 2011
21
0
(Phys.org)—A team of researchers, including engineers from Los Alamos National Laboratory, has demonstrated a new concept for a reliable nuclear reactor that could be used on space flights.
Space Exploration
Nov 26, 2012
33
0
Stanford Engineering's Center for Turbulence Research (CTR) has set a new record in computational science by successfully using a supercomputer with more than one million computing cores to solve a complex fluid dynamics ...
Computer Sciences
Jan 28, 2013
12
0
The concept of nuclear winter—a years-long planetary freeze brought on by airborne soot generated by nuclear bombs—has been around for decades. But such speculations have been based largely on back-of-the-envelope calculations ...
Environment
Mar 16, 2020
19
1957
US computer security researchers said Sunday that the Flame computer virus that smoldered undetected for years in Middle Eastern energy facilities has gotten orders to vanish, leaving no trace.
Internet
Jun 10, 2012
3
0
Homeland Security might soon have a new tool to add to its arsenal.
General Physics
Jan 15, 2020
0
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