We're awash in tiny nanoparticles. Some are components of car and truck exhaust; others are manufactured intentionally for products ranging from cosmetics to electronic devices. Most are only a few nanometers in size—roughly ...
Plasma Physics
Dec 3, 2014
0
0
In hypersonic flight, an aircraft or spacecraft moves at least five times faster than the speed of sound—producing extreme heat that can push the craft beyond its physical limits. The difficulty and importance of protecting ...
Space Exploration
Oct 18, 2022
0
24
KU Leuven astronomers have shown that the interaction between the surface and the atmosphere of an exoplanet has major consequences for the temperature on the planet. This temperature, in turn, is a crucial element in the ...
Astronomy
Jul 14, 2016
1
81
In December 2022, NASA's MAVEN (Mars Atmosphere and Volatile EvolutioN) mission observed the dramatic and unexpected "disappearance" of a stream of charged particles constantly emanating off the sun, known as the solar wind. ...
Astronomy
Dec 11, 2023
0
64
(AP) -- After an entire century that included two high-profile government investigations and countless books and movies, we're still debating what really caused the Titanic to hit an iceberg and sink on that crystal-clear ...
Other
Apr 11, 2012
9
0
Hydrocarbons from the Earth make up the oil and gas that heat our homes and fuel our cars. The study of the various phases of molecules formed from carbon and hydrogen under high pressures and temperatures, like those found ...
Earth Sciences
Sep 12, 2013
0
0
The frequency of violent typhoons whose winds exceed 194 kph (120.5 mph) could increase about tenfold by the end of this century due to the continuing trend of global warming, a team of Japanese government scientists has ...
Earth Sciences
May 4, 2010
3
0
If the approaching summer has you calling for an air-conditioning repair, you'll have a personal experience with one of the world's most successful global environmental efforts.
Environment
Apr 4, 2012
0
0
(PhysOrg.com) -- New research from scientists at The University of Manchester is set to improve predictions about climate and air quality - and make life easier for those suffering from respiratory problems.
Earth Sciences
Dec 21, 2009
2
0
In 2006, more than 400 children under the age of 5 died during an outbreak of diarrheal disease in Botswana. In what was a 25-fold increase in diarrheal disease mortality for this age group, citizens of the country were devastated.
Ecology
Jan 3, 2020
0
13
