The composition of the Earth's core remains a mystery. Scientists know that the liquid outer core consists mainly of iron, but it is believed that small amounts of some other elements are present as well. Oxygen is the most ...
Earth Sciences
Nov 23, 2011
12
1
A new Russian fighter jet developed amid the highest secrecy as part of a plan to modernize the armed forces on Friday successfully performed its maiden flight, officials said.
Engineering
Jan 29, 2010
4
0
When the misty skies cleared over southern France on the afternoon of Sunday March 2, 1969, the green light was signalled for the highly anticipated first ever flight of the Concorde.
Engineering
Mar 1, 2019
2
412
Flying faster than the speed of sound still sounds futuristic for regular people, more than 15 years after the last commercial supersonic flights ended. The planes that made those journeys, the 14 aircraft collectively known ...
Business
Jul 11, 2019
0
1
An experimental unmanned aircraft developed for the U.S. Air Force has flown at more than five times the speed of sound in a test off California.
Engineering
May 3, 2013
14
0
(Phys.org) —British engineers have told reporters that a test of their space penetrator has been conducted and all signs suggest it was a complete success. The space penetrator is a bullet shaped projectile with electronics ...
So far, little is known about the interior of neutron stars, those extremely compact objects that can form after the death of a star. The mass of our sun or even more is compressed into a sphere with the diameter of a large ...
Astronomy
Nov 15, 2022
71
681
Neutron stars in the universe, ultracold atomic gases in the laboratory, and the quark–gluon plasma created in collisions of atomic nuclei at the Large Hadron Collider (LHC): they may seem totally unrelated but, surprisingly ...
General Physics
Feb 16, 2024
0
290
Opening a bottle of champagne traditionally marks the beginning of a festive celebration. Following the fun pop of the cork, a fizz of bubbles releases into the air, and finally, there is the pleasant tingle on the tongue.
General Physics
Jun 2, 2022
0
222
Bacteria swim by rotating the helical, hairlike flagella that extend from their unicellular bodies. Some bacteria, including the Escherichia coli (E. coli) living in the human gut, have multiple flagella that rotate as a ...
General Physics
Jul 8, 2013
0
0
