In the world around us, processes appear to follow a certain time-direction: Dandelions eventually turn into blowballs. However, the quantum realm does not play by the same rules. Physicists from the University of Vienna ...
Optics & Photonics
Feb 7, 2023
0
941
The sending-or-not-sending twin-field (SNS-TF) protocol has so far proved to be a highly promising strategy for achieving high rates over long distances in quantum key distribution (QKD) applications. In fact, by tolerating ...
(Phys.org)—Satellites show that the recent ozone hole over Antarctica was the smallest seen in the past decade. Long-term observations also reveal that Earth's ozone has been strengthening following international agreements ...
Earth Sciences
Feb 10, 2013
8
0
Researchers from QuTech have achieved a world's first in quantum internet technology. A team led by Professor Stephanie Wehner has developed a so-called link layer protocol that brings the phenomenon of quantum entanglement ...
Quantum Physics
Aug 20, 2019
2
1014
Researchers at the University of California, Riverside have identified a weakness in the Transmission Control Protocol (TCP) of all Linux operating systems since late 2012 that enables attackers to hijack users' internet ...
Security
Aug 9, 2016
0
456
In collaboration with colleagues from Opole University in Poland, researchers at Horst Görtz Institute for IT Security (HGI) at Ruhr-Universität Bochum (RUB) have demonstrated that the internet protocol IPsec is vulnerable ...
Security
Aug 15, 2018
0
258
(Phys.org)—Researchers from Birmingham University in the UK have found that users who frequent BitTorrent file sharing sites such as The Pirate Bay, risk having their IP address logged by monitors as quickly as within three ...
In this election, often dubbed the "climate election", voters are refusing to settle for weak policies on climate change.
Environment
May 10, 2019
0
7
(Phys.org)—Inspired by natural selection and the concept of "survival of the fittest," genetic algorithms are flexible optimization techniques that can find the best solution to a problem by repeatedly selecting for and ...
In a world where climate change, air and water pollution, biodiversity loss, water scarcity, ozone depletion, and other environmental problems overlap, a fix in one arena can cause trouble in another.
Environment
Jan 14, 2019
0
169
