News tagged with packets
Study finds single photons cannot exceed the speed of light
(PhysOrg.com) -- The rule that nothing can travel faster than the speed of light, c, is one of the most fundamental laws of nature. But since this speed limit has only been experimentally demonstrated for ...
Jun 24, 2011 |
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Physicists Propose Method for Entangling Moving Material Particles
(PhysOrg.com) -- When physicists experiment with quantum entanglement, they usually work with photons, the intangible particles of light. In the past few years, however, scientists have begun to broaden their ...
Jan 16, 2009 |
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Rice lab mimics Jupiter's Trojan asteroids inside a single atom
Rice University physicists have gone to extremes to prove that Isaac Newton's classical laws of motion can apply in the atomic world: They've built an accurate model of part of the solar system inside a single ...
Jan 24, 2012 |
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Graphene optical modulators could lead to ultrafast communications
(PhysOrg.com) -- Scientists at the University of California, Berkeley, have demonstrated a new technology for graphene that could break the current speed limits in digital communications.
May 08, 2011 |
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Cell network security holes revealed, with an app to test your carrier
Popular firewall technology designed to boost security on cellular networks can backfire, unwittingly revealing data that could help a hacker break into Facebook and Twitter accounts, a new study from the University of Michigan ...
May 21, 2012 |
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HK physicists prove single photons do not exceed the speed of light
(PhysOrg.com) -- Hong Kong physicists say they have proved that a single photon obeys Einstein's theory that nothing can travel faster than the speed of light -- demonstrating that outside science fiction, ...
Jul 24, 2011 |
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Lightwave electronics at sharp metal tips
(PhysOrg.com) -- Scientists at the Max Planck Institute of Quantum Optics control for the first time the emission of electrons from metal tips with femtosecond lasers alone.
Jul 07, 2011 |
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What makes the giant freak wave 'stable'
The dreaded giant freak wave that can appear on the open sea out of nowhere, can now for the first time be theoretically calculated and modelled. Researchers at Umea University and the Ruhr-Universitat Bochum in Germany have ...
Jun 18, 2010 |
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Australia plans world-first plain cigarette packets
Australia on Thursday said it would become the world's first country to ban logos and branding on cigarette packets, sparking a furious response from the tobacco industry.
Apr 29, 2010 |
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Colasoft Capsa Provides Comprehensive Network Analysis at Your Fingertips
As computers become more ingrained in the daily operations of most companies, it seems that running into problems occurs more frequently and with greater consequences. When it comes to computer networks, the ...
Jul 20, 2009 |
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Graphene-based optical modulators poised to break speed limits in digital communications
In yet another astounding application of the "wonder material" graphene, scientists at the University of California, Berkeley discovered that it makes an excellent active media for optical modulators. Graphene-based modulators ...
Nanotechnology / Nanomaterials
Mar 01, 2012 |
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Automated stress testing for Web 2.0 applications helps Web developers find programming errors
Web applications such as Google Mail, Facebook and Amazon are used every day. However, so far there are no methods to test them systematically and at low cost for malfunctions and security vulnerabilities. ...
Feb 27, 2012 |
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Australia launches world-first plain cigarette pack laws
Australia introduced world-first plain packaging laws for cigarettes into parliament Wednesday, vowing not to bow to big tobacco's "intimidation tactics" and legal threats.
Jul 06, 2011 |
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Researchers demonstrate electo-optic modulation of single photons from a quantum dot
(PhysOrg.com) -- In a recent article in Applied Physics Letters, CNST researchers demonstrated how commercially available electro-optic modulators can be used to tailor the single photon output of quantum dots (QDs) for us ...
Jun 30, 2011 |
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Cigarette health warnings push smokers to quit: study
Warnings on cigarette packets about the dangers of tobacco push smokers to kick the habit, and graphic images depicting human suffering are the most effective, a study released Thursday shows.
May 26, 2011 |
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