(PhysOrg.com) -- The phenomenon of time dilation is a strange yet experimentally confirmed effect of relativity theory. One of its implications is that events occurring in distant parts of the universe should appear to occur ...
(PhysOrg.com) -- The heart of the Internet is a network of high-capacity optical fibers that spans continents. But while optical signals transmit information much more efficiently than electrical signals, they?re harder to ...
Computer Sciences
Jun 28, 2010
16
0
The James Webb Space Telescope (JWST), launched last December, has been slowly powering up its instruments and unfurling its sunshield, and is now in the process of aligning its mirrors in preparation for operation. Within ...
Astronomy
Feb 21, 2022
0
6112
(PhysOrg.com) -- Researchers from the Nichia Corporation in Tokushima, Japan, have set an ambitious goal: to develop a white LED that can replace every interior and exterior light bulb currently used in homes and offices. ...
NASA said Friday the first cosmic images from the James Webb Space Telescope will include unprecedented views of distant galaxies, bright nebulae, and a faraway giant gas planet.
Astronomy
Jul 8, 2022
6
2633
(PhysOrg.com) -- Scientists at the University of Glasgow have, for the first time, been able to drag light by slowing it down to the speed of sound and sending it through a rotating crystal.
Optics & Photonics
Jul 6, 2011
43
1
An unprecedented new telescope image of the Milky Way galaxy's turbulent center has revealed nearly 1,000 mysterious strands, inexplicably dangling in space.
Astronomy
Jan 26, 2022
2
8195
Electrical engineers at the University of California San Diego developed a technology that improves the resolution of an ordinary light microscope so that it can be used to directly observe finer structures and details in ...
General Physics
Jun 1, 2021
2
386
(Phys.org)—The 'brightest' thing in nature, the Pollia condensata fruit, does not get its blue colour from pigment but instead uses structural colour – a method of reflecting light of particular wavelengths- new research ...
Plants & Animals
Sep 10, 2012
26
0
We have a pretty good idea of what lurks within our solar system. We know there isn't a Mars-sized planet orbiting between Jupiter and Saturn, nor a brown dwarf nemesis heading our way. Anything large and fairly close to ...
Astronomy
Aug 1, 2022
9
129
