A scientific paper published in 1985 was the first to report a burgeoning hole in Earth's stratospheric ozone over Antarctica. Scientists determined the cause to be ozone-depleting substances—long-lived artificial halogen ...
Earth Sciences
Jan 20, 2020
53
2375
Australian scientists have designed a 3D silicon chip architecture based on single atom quantum bits, which is compatible with atomic-scale fabrication techniques - providing a blueprint to build a large-scale quantum computer.
Quantum Physics
Oct 30, 2015
5
4286
When old satellites fall into Earth's atmosphere and burn up, they leave behind tiny particles of aluminum oxide, which eat away at Earth's protective ozone layer. A new study finds that these oxides have increased 8-fold ...
Earth Sciences
Jun 12, 2024
0
2880
The Montreal Protocol, an international agreement signed in 1987 to stop chlorofluorocarbons (CFCs) destroying the ozone layer, now appears to be the first international treaty to successfully slow the rate of global warming.
Environment
Dec 6, 2019
41
4016
BitTorrent Inc., the San Francisco company behind the most popular technology for sharing files online, is branching out into a new arena: snoop-proof calling and texting.
Security
Aug 1, 2014
12
0
Have you ever been compelled to enter sensitive payment data on the website of an unknown merchant? Would you be willing to consign your credit card data or passwords to untrustworthy hands? Scientists from the University ...
Quantum Physics
Jul 4, 2023
0
236
(Phys.org)—Working in the exotic-sounding field of quantum teleportation, physicists are trying to make it easier to transmit quantum information in the form of qubits from one location to another without having the qubits ...
Even if there comes a day when the world completely stops emitting greenhouse gases into the atmosphere, coastal regions and island nations will continue to experience rising sea levels for centuries afterward, according ...
Environment
Jan 9, 2017
40
641
(Phys.org) —Cryptography – the practice and study of techniques for secure communication in the presence of third parties, referred to as adversaries – has a long and varied history. In ancient Greece, for example, ...
Whether to tweak, bolster or bury the Kyoto Protocol -- the only binding global agreement for curbing greenhouse gases -- has become a red-hot issue as UN negotiators in Bangkok try to lay the groundwork for a successor treaty.
Environment
Oct 7, 2009
5
0
