Too many vehicles on the highway inevitably slow down traffic. On the Internet information highway, consumers value high-speed Internet service, but there is little reason to think broadband traffic congestion will improve ...
Economics & Business
Dec 10, 2014
49
0
Astronomers are closing in on a signal that has been travelling across the Universe for 12 billion years, bringing them nearer to understanding the life and death of the very earliest stars.
Astronomy
Sep 9, 2019
2
1028
On Jan. 20, 2018, amateur astronomer Scott Tilley detected an unexpected signal coming from what he later postulated was NASA's long-lost IMAGE satellite, which had not been in contact since 2005. On Jan. 30, NASA—along ...
Space Exploration
Feb 2, 2018
0
322
(Phys.org) —Quantum electrodynamics (QED) – the relativistic quantum field theory of electrodynamics – describes how light and matter interact – achieves full agreement between quantum mechanics and special relativity. ...
Long ago, about 400,000 years after the beginning of the universe (the Big Bang), the universe was dark. There were no stars or galaxies, and the universe was filled primarily with neutral hydrogen gas.
Astronomy
Feb 28, 2018
214
1225
Stanford engineers have invented a technology that would allow an internet user to tell network providers and online publishers when and if they want content or services to be given preferential delivery, an advance that ...
Telecom
Sep 13, 2016
6
694
New research from the University of Kansas might resolve a mystery in the "aging process" in species—or, how a species' risk of going extinct changes after that species appears on the scene.
Evolution
Feb 20, 2024
0
149
What is inside an atom between the nucleus and the electron? Usually there is nothing, but why could there not be other particles too? If the electron orbits the nucleus at a great distance, there is plenty of space in between ...
Quantum Physics
Feb 26, 2018
0
724
The motion of a tiny number of charged particles may solve a longstanding mystery about thin gas disks rotating around young stars, according to a new study from Caltech.
Astronomy
Jul 6, 2022
7
1056
A team of Caltech researchers that has spent years searching for the earliest objects in the universe now reports the detection of what may be the most distant galaxy ever found. In an article published August 28, 2015 in Astrophysical ...
Astronomy
Sep 4, 2015
19
765
