(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
Scientists have revealed new insights into the behavior of black holes with research that demonstrates how a phenomenon called backreaction can be simulated.
General Physics
Feb 1, 2021
14
3884
Thanks to USB sticks and video streaming, DVD players are becoming all but obsolete. But their cheap optics may find a new life in a cost-effective and speedy technique for on-the-spot HIV testing and other analytics.
Optics & Photonics
Apr 11, 2013
0
0
Streetlights illuminate the night, shining upon roadways and sidewalks across the world, but these ubiquitous elements of the urban environment are notoriously inefficient and major contributors to light pollution that washes ...
Optics & Photonics
Apr 24, 2013
12
1
(Phys.org)—A pair of researchers with Ulm University has found that a type of African desert ant has two navigational systems for helping it find its way back to the nest. In their paper published in the journal Science, ...
Tracking blood flow in the laboratory is an important tool for studying ailments like migraines or strokes and designing new ways to address them. Blood flow is also routinely measured in the clinic, and laser speckle contrast ...
Optics & Photonics
Sep 26, 2013
2
0
Invisibility devices may soon no longer be the stuff of science fiction. A new study published in the De Gruyter journal Nanophotonics by lead authors Huanyang Chen at Xiamen University, China, and Qiaoliang Bao, suggests ...
Optics & Photonics
Dec 21, 2021
1
127
(PhysOrg.com) -- The beauty and majesty of birds in flight has long captured the attention of artists and photographers.
Plants & Animals
Oct 28, 2011
2
0
(Phys.org)—You can swipe and tap away for content on mobile device screens. What if you didn't have to touch the screen? A group from University of Alberta, Toronto, and Autodesk Research presented their answer at the ACM ...
(Phys.org) -- Inexpensive, portable devices that can rapidly screen cells for leukemia or HIV may soon be possible thanks to a chip that can produce three-dimensional focusing of a stream of cells, according to researchers.
Analytical Chemistry
May 30, 2012
0
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