News tagged with granular material
Of traffic jams, beach sands and the zero-temperature jamming transition
May 13, 2009 |
3.3 / 5 (3) |
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Researchers in condensed matter physics at the University of Pennsylvania and the University of Chicago have created an experimental and computer model to study how jamming, the physical process in which collections of particles ...
Uncovering the real dirt on granular flow
Technology / Computer Sciences
Dec 03, 2008 |
4.4 / 5 (5) |
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(PhysOrg.com) -- A handful of sand contains countless grains, which interact with each other via friction and impact forces as they slip through your fingers. When a handful becomes a load in an excavator bucket, those interactions ...
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Teachers begin using cell phones for class lessons
12 hours ago |
2 / 5 (2) |
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(AP) -- Ariana Leonard's high school students shuffled in their seats, eagerly awaiting a cue from their Spanish teacher that the assignment would begin. "Take out your cell phones," she said in Spanish.
Signal fading on radio traffic reports
13 hours ago |
not rated yet |
1
(AP) -- For more than 20 years, Mike Nolan was known to radio listeners as the "eye in the sky." He flew over Southern California freeways in his single-engine plane, reporting on the nation's worst traffic.
Government delays new ban on Internet gambling
15 hours ago |
3 / 5 (2) |
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(AP) -- The Treasury Department and the Federal Reserve are giving U.S. financial institutions an additional six months to comply with regulations designed to ban Internet gambling.
Fujitsu Develops Technology for Low-Temperature Full-Service Direct Formation of Graphene Transistors on Large-Scale Sub
15 hours ago |
5 / 5 (7) |
2
Fujitsu Laboratories today announced, as a world first, the development of a novel technology for forming graphene transistors directly on the entire surface of large-scale insulating substrates at low temperatures ...
'Avatar' video game to expand film's alien world
15 hours ago |
4 / 5 (1) |
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(AP) -- James Cameron was thinking beyond the big screen when he created the alien world of Pandora. The "Titanic" director worked in tandem with video game developer Ubisoft Montreal on the game based on ...
Herschel takes a peek at the ingredients of the galaxies
15 hours ago |
4.7 / 5 (6) |
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(PhysOrg.com) -- The European Space Agency has today released spectacular new observations from the Herschel Space Observatory, including the UK-led SPIRE instrument. Spectrometers on board all three Hershel ...
Multiferroic compounds used to produce smaller and cheaper digital memories
17 hours ago |
4.7 / 5 (3) |
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(PhysOrg.com) -- Is it possible to make even more compact digital memories for portable electronic devices and which consume even less energy? A team of French researchers has recently demonstrated that it ...
Space shuttle Atlantis, 7 astronauts back on Earth
Space & Earth / Space Exploration
18 hours ago |
not rated yet |
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(AP) -- Space shuttle Atlantis and its seven astronauts returned to Earth with a smooth touchdown Friday to end an 11-day flight that resupplied the International Space Station.
Indonesia rejects Bali plan for turtle sacrifices
20 hours ago |
5 / 5 (1) |
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(AP) -- Indonesia has rejected a push by the resort island of Bali for rare turtles to be legally slain in Hindu ceremonies, siding with conservationists of the protected reptiles against religious advocates, ...
In Greenland, warming fuels dream of hidden wealth
21 hours ago |
3 / 5 (3) |
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(AP) -- Gert Ignatiussen returns to this fjord-front Inuit town with the spoils of his hunting trip. Six seals, all killed with a single shot to the head.
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