(Phys.org)—Quantum techniques have been demonstrated to offer improvements in areas such as computing, cryptography, and information processing, among others. But in a new study, researchers from IBM have proven that no ...
In the 1948 paper that created the field of information theory, MIT grad (and future professor) Claude Shannon threw down the gauntlet to future generations of researchers. In those predigital days, communications channels ...
Computer Sciences
Jan 21, 2010
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In the last 10 years, the possibility of using wireless connections to deduce mobile devices' locations has been a hot research topic in industry and academia. GPS systems frequently fail in large buildings, and even when ...
Engineering
Sep 9, 2010
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An exciting prospect in modern optics is to exploit patterns of light—how the light looks in its many degrees of freedom—often referred to as "structured light." Each distinct pattern could form an encoding alphabet for ...
Optics & Photonics
Feb 7, 2023
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Physicists have demonstrated that using two quantum channels in different orders can enhance a communication network's ability to transmit information—even, counterintuitively, when the channels are identical. This result ...
The Internet is teeming with highly sensitive information. Sophisticated encryption techniques generally ensure that such content cannot be intercepted and read. But in the future high-performance quantum computers could ...
Quantum Physics
Jul 27, 2022
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548
Wickr co-founder Nico Sell is working toward "geek utopia," a world where people hold the power when it comes to who sees what they share on the Internet or from their phones.
Software
Feb 2, 2013
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Plants use underground fungal networks to warn their neighbours of aphid attack, UK scientists have discovered.
Ecology
May 10, 2013
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An interdisciplinary team of researchers from Columbia University, led by Ken Shepard, professor of electrical engineering and biomedical engineering at Columbia Engineering and including Virginia W. Cornish, Helena Rubinstein ...
Electronics & Semiconductors
Aug 22, 2013
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Photoacoustic imaging, a technique for examining living materials through the use of laser light and ultrasonic sound waves, has many potential applications in medicine because of its ability to show everything from organs ...
Optics & Photonics
Feb 25, 2020
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