Search results for cryptography
Privacy concerns could limit benefits from real-time data analysis, researcher says
Technology / Computer Sciences
Dec 17, 2009 |
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Society will be unable to take full advantage of real-time data analysis technologies that might improve health, reduce traffic congestion and give scientists new insights into human behavior until it resolves questions about ...
AOptix Technologies and NuCrypt demonstrate physical-layer quantum encryption
Dec 14, 2009 |
4.2 / 5 (5) |
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AOptix Technologies, a leading edge developer of ultra-high bandwidth laser communication solutions, and NuCrypt, a provider of technology for ultra-high security over optical communication networks, disclosed today the recent ...
Cyber hacking could be a thing of the past
Technology / Computer Sciences
Dec 07, 2009 |
5 / 5 (5) |
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(PhysOrg.com) -- High-profile websites are constantly under threat from hackers attempting to paralyse their websites but new research could make such attacks computationally impossible. This research will ...
Secure computers aren't so secure
Technology / Computer Sciences
Oct 30, 2009 |
4.6 / 5 (13) |
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(PhysOrg.com) -- Even well-defended computers can leak shocking amounts of private data. MIT researchers seek out exotic attacks in order to shut them down.
P vs. NP -- The most notorious problem in theoretical computer science remains open
Technology / Computer Sciences
Oct 29, 2009 |
4.6 / 5 (22) |
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In the 1995 Halloween episode of The Simpsons, Homer Simpson finds a portal to the mysterious Third Dimension behind a bookcase, and desperate to escape his in-laws, he plunges through. He finds himself wander ...
Field experiment on a robust hierarchical metropolitan quantum cryptography network
Oct 16, 2009 |
5 / 5 (1) |
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Key Laboratory of Quantum Information (CAS), University of Science and Technology of China has recently demonstrated a metropolitan Quantum Cryptography Network (QCN) for Government Administration in Wuhu, China. The project ...
Quantum computing may actually be useful, after all
Oct 09, 2009 |
4.6 / 5 (35) |
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(PhysOrg.com) -- In recent years, quantum computers have lost some of their luster. In the 1990s, it seemed that they might be able to solve a class of difficult but common problems — the so-called NP-complete ...
Scientists discover quantum fingerprints of chaos
Oct 07, 2009 |
4.8 / 5 (28) |
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Chaotic behavior is the rule, not the exception, in the world we experience through our senses, the world governed by the laws of classical physics.
New technology lets users set data to self-destruct
Technology / Computer Sciences
Sep 30, 2009 |
3.7 / 5 (3) |
1
What if you could send an e-mail to a co-worker, text a friend or post something on Facebook confident that it would eventually self-destruct?
Physicists Investigate Unusual Four-Qubit Entanglement
Sep 30, 2009 |
4.6 / 5 (19) |
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(PhysOrg.com) -- For the first time, physicists have experimentally demonstrated a four-qubit bound-entangled state - a peculiar form of entanglement that cannot be distilled (optimized) by the usual means. ...
Up-scale: Frequency converter enables ultra-high sensitivity infrared spectrometry
Aug 26, 2009 |
4.9 / 5 (11) |
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In what may prove to be a major development for scientists in fields ranging from forensics to quantum communications, researchers at the National Institute of Standards and Technology have developed a new, ...
Researchers Set New Distance Record for Quantum Key Distribution
Jul 21, 2009 |
4.9 / 5 (14) |
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(PhysOrg.com) -- Quantum key distribution (QKD) could be the next commercial success of quantum physics, and a recent study has taken the field a step closer to this reality. Researchers from the University ...
Chance of nuclear war is greater than you think: Stanford engineer makes risk analysis
Jul 20, 2009 |
3.7 / 5 (12) |
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What are the chances of a nuclear world war? What is the risk of a nuclear attack on United States soil? The risk of a child born today suffering an early death due to nuclear war is at least 10 percent, according ...
IBM Researchers Develop Shield to Mask Sensitive On-Screen Information
Jul 09, 2009 |
4.3 / 5 (3) |
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IBM Research - Haifa has developed software that more efficiently and effectively hides sensitive or personal information that might otherwise appear on the computer screens of unauthorized personnel. It could prove particularly ...
Researchers establishing security standards for the internet
Jul 07, 2009 |
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(PhysOrg.com) -- Dartmouth researchers who were pioneers in Public Key Infrastructure (PKI) - a system that secures and authenticates computer communications - are now playing leading roles establishing Internet ...
