(Phys.org)—With its strong dependence on gas-turbine engines for propulsion, the U.S. Navy is always looking for ways to improve the fuel consumption of these engines. At the Naval Research Laboratory (NRL), scientists ...
Engineering
Nov 2, 2012
2
0
(Phys.org)—This spring, a Swedish scientist sparked international concern with a journal article saying that radioactive particles detected in 2010 showed North Korea had set off at least two small nuclear blasts—possibly ...
Energy & Green Tech
Oct 9, 2012
14
0
The United States announced criminal charges Wednesday against 11 members of an alleged ring illegally exporting $50 million worth of high-tech military electronics to Russia under the guise of civilian deals.
Internet
Oct 3, 2012
3
0
A new analysis of satellite data from the late 1990s documents for the first time the "uplift" of ground above a site of underground nuclear testing, providing researchers a potential new tool for analyzing the strength of ...
Earth Sciences
Jan 10, 2012
1
0
(PhysOrg.com) -- Picture this next time you're stuck in traffic: Thousands of wildebeests loping across the Serengeti Plain when suddenly a few spooked animals turn the orderly migration into a sea of locked horns, U-turns, ...
Computer Sciences
Jun 5, 2009
2
0
All supernovae are exploding stars. But the nature of a supernova explosion varies quite a bit. One type, named Type 1a supernovae, involves a binary star where one of the pair is a white dwarf. And while supernovae of all ...
Astronomy
Sep 1, 2023
0
37
Until recently, there were only ten known stars on trajectories that will allow them to escape the Milky Way galaxy, thrown astray by powerful supernova explosions. A new study using data from ESA's Gaia survey this June ...
Astronomy
Jun 13, 2023
0
41
Skoltech researchers have theoretically predicted synchronization—a kind of self-regulation—in detonation waves. The discovery could help tame this inherently chaotic process so as to stabilize combustion in a rotating ...
General Physics
Sep 28, 2022
0
129
Nuclear detonations unleash an astonishing amount of destructive force. But the extreme pressure and temperature that they generate also makes nuclear blasts a cauldron of chemical creation, capable of delivering new and ...
Analytical Chemistry
Jun 3, 2021
0
3
An Australian research consortium has successfully tested a next generation propulsion system that could enable high-speed flight and space launch services.
Space Exploration
Feb 25, 2021
3
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