(Phys.org) —Quantum communication systems offer the promise of virtually unbreakable encryption. Unlike classical encryption, which is used to send secure data over networks today and whose security depends on the difficulty ...
Quantum Physics
May 28, 2013
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In this month's special edition of Physics World, focusing on quantum physics, Thomas Jennewein and Brendon Higgins from the Institute for Quantum Computing at the University of Waterloo, Canada, describe how a quantum space ...
Quantum Physics
Feb 28, 2013
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A Los Alamos National Laboratory quantum cryptography (QC) team has successfully completed the first-ever demonstration of securing control data for electric grids using quantum cryptography.
Quantum Physics
Feb 14, 2013
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(Phys.org)—A team of German physicists has successfully demonstrated an ability to perform quantum key distribution (QKD) exchange between an airplane in flight and a ground station, paving the way perhaps to the same kinds ...
Quantum cryptography is the ultimate secret message service. Now new research, presented at the 2012 AAAS Annual Meeting, shows it can counter even the ultimate paranoid scenario: when the equipment or even the operator is ...
Quantum Physics
Feb 19, 2012
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Alice and Bob have broken up and have moved as far away from each other as possible. But they still have something to sort out: who gets to keep the car. Flipping a coin while talking on the phone to decide who gets to keep ...
Quantum Physics
Nov 29, 2011
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(PhysOrg.com) -- A research group led by computer scientists at the UCLA Henry Samueli School of Engineering and Applied Science has proved that cryptography -- the practice and study of hiding information -- that is based ...
Quantum Physics
Jul 26, 2010
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(PhysOrg.com) -- Quantum cryptography, which enables two parties to communicate with each other with unconditional security, has begun to be implemented by some governments, banks, and other corporations with high-security ...
Austrian physicists say a breakthrough in next-generation quantum cryptography could allow encrypted messages to be bounced off satellites, the British journal Nature reported Sunday.
Quantum Physics
May 3, 2009
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Unhackable communications devices, high-precision GPS and high-resolution medical imaging all have something in common. These technologies—some under development and some already on the market all rely on the non-intuitive ...
Quantum Physics
Oct 10, 2022
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