(PhysOrg.com) -- The remarkable feat of tying light in knots has been achieved by a team of physicists working at the universities of Bristol, Glasgow and Southampton, UK, reports a paper in Nature Physics this week.
General Physics
Jan 17, 2010
4
0
Light can compute functions during its propagation and interaction with structured materials, with high speed and low energy consumption. Achieving universal computing using all-optical neural networks requires optical activation ...
Optics & Photonics
Mar 19, 2024
0
5
The orbital angular momentum (OAM) of electromagnetic waves—a kind of "structured light"—is associated with a helical or twisted wavefront.
Optics & Photonics
Apr 19, 2023
0
430
Quantum computers promise not only to outperform classical machines in certain important tasks, but also to maintain the privacy of data processing. The secure delegation of computations has been an increasingly important ...
Quantum Physics
Feb 18, 2021
0
35
A system that can compare physical objects while potentially protecting sensitive information about the objects themselves has been demonstrated experimentally at the U.S. Department of Energy's (DOE) Princeton Plasma Physics ...
General Physics
Sep 20, 2016
1
19
All living organisms are tips of an evolutionary tree that emerged over 3.5 billion years from a single common ancestor. Research in the Department of Bionanoscience at Delft University of Technology has provided the first ...
Evolution
Dec 27, 2013
10
0
By studying rapidly evolving bacteria as they diversify and compete under varying environmental conditions, researchers have shown that temporal niches are important to maintaining biodiversity in natural systems. The research ...
Ecology
Jul 9, 2013
0
0
(Phys.org) —Michigan Technological University's invisibility cloak researchers have done it again. They've moved the bar on one of the holy grails of physics: making objects invisible. Just last month, Elena Semouchkina, ...
General Physics
Mar 25, 2013
1
0
Swift predators are common in the animal world but are rare in the plant kingdom. New research shows that Drosera glanduligera, a small sundew from southern Australia, deploys one of the fastest and most spectacular trapping ...
Plants & Animals
Sep 26, 2012
0
0
Researchers at the National University of Singapore have invented a graphene-based polarizer that can broaden the bandwidth of prevailing optical fiber-based telecommunication systems.
Optics & Photonics
Jun 6, 2011
0
0
