"Dwell fatigue" is a phenomenon that can occur in titanium alloys when held under stress, such as a jet engine's fan disc during takeoff. This peculiar failure mode can initiate microscopic cracks that drastically reduce ...
Condensed Matter
Nov 11, 2022
0
109
Most sensible air travelers dread turbulence. A little atmospheric hiccup can shake airplanes, rattle nerves and spill beverages. A Cornell University-led study found that birds don't mind at all.
General Physics
Jun 15, 2021
0
17
Understanding how a drop or bubble suspended in a larger mass of fluid divides into multiple pieces is invaluable for engineers designing chemical reactors, engines and ships, as well as for geoscientists studying interactions ...
General Physics
Dec 18, 2019
0
74
Research published this week in Science Advances shows that it may be possible to create rocket fuel that is much cleaner and safer than the hypergolic fuels that are commonly used today. And still just as effective. The ...
Materials Science
Apr 5, 2019
10
416
The astronauts of the International Space Station welcomed the arrival of what we call the "Bigelow Bungalow", officially known as the Bigelow Expandable Activity Module (BEAM) on April 10.
Space Exploration
Apr 13, 2016
0
4484
The US Congress, entrenched in a titanic budget battle, managed to come together Thursday to pass legislation that prevents a market shortage of helium.
Materials Science
Sep 26, 2013
15
0
Landing astronauts safely on Mars is one of the biggest technological hurdles for any future manned mission to the Red Planet, even more complicated than last year's daring rover touchdown.
Space Exploration
May 8, 2013
33
0
(Phys.org)—An iPhone 5 with a layer of man-made sapphire covering its Gorilla Glass 2 screen has been demoed at the Mobile World Congress 2013 in Barcelona. The purpose was to demonstrate how much more scratch resistant ...
(Phys.org)—When University of Virginia engineering students posted a YouTube video last spring of a plastic turbofan engine they had designed and built using 3-D printing technology, they didn't expect it to lead to anything ...
Engineering
Oct 22, 2012
4
0
SpaceX, the upstart company that shot a capsule to the International Space Station and back last week, won't have much time to savor its first major success.
Space Exploration
Jun 4, 2012
6
0
