Each fall millions of monarch butterflies use a sophisticated navigation system to transverse 2,000 miles from breeding sites across the eastern United States to an overwintering habitat in specific groves of fir trees in ...
Plants & Animals
Jun 24, 2014
1
1
Astronomers have tracked down the first gamma-ray pulsar in a globular cluster of stars. It is around 27,000 light years away and thus also holds the distance record in this class of objects. Moreover, its high luminosity ...
Astronomy
Nov 3, 2011
8
0
A laser pulse hits an electron in a solid. If it receives enough energy from the light wave, it can then move freely through a solid. This phenomenon, which scientists have been exploring since the beginnings of quantum mechanics, ...
Optics & Photonics
May 25, 2023
0
71
Spiral galaxy NGC 3274 is a relatively faint galaxy located over 20 million light-years away in the constellation of Leo (The Lion).
Astronomy
Nov 23, 2016
0
9
Optical fibers are hair-like threads of glass used to guide light. Fibers of exceptional purity have proved an excellent way of sending information over long distances and are the foundation of modern telecommunication systems. ...
Optics & Photonics
Jun 15, 2015
0
99
(PhysOrg.com) -- A fleet of spacecraft including NASA's Hubble Space Telescope has uncovered unprecedented details in the surroundings of a supermassive black hole. Observations reveal huge bullets of gas being driven away ...
Astronomy
Sep 29, 2011
7
0
Single-molecule electronic devices, which use single molecules or molecular monolayers as their conductive channels, offer a new strategy to resolve the miniaturization and functionalization bottlenecks encountered by traditional ...
Nanomaterials
Jun 2, 2022
0
26
Light is an oscillating wave of electric and magnetic fields. The way the electric field component interplays with the atoms in a material largely determines how light interacts with matter. With visible light, however, the ...
General Physics
Feb 27, 2013
2
1
(Phys.org) —An international team of astronomers may have found a new way to map quasars, the energetic and luminous central regions typically found in distant galaxies. Team leader Prof. Andy Lawrence of the Royal Observatory ...
Astronomy
Jul 1, 2013
0
0
.jpg)
Scientists have unearthed a new dynamic process induced by strong electric fields in thin liquid crystal cells.
Condensed Matter
Jan 24, 2013
0
0
