Search results for granular medium

Soft Matter Apr 9, 2013

Researchers measure Brazil nut effect in reduced gravity

(Phys.org) —A combined team of researchers from the Technical University of Braunschweig in Germany and Kobe University in Japan has determined that the Brazil nut effect is less pronounced as gravity is reduced. The team ...

Earth Sciences Apr 16, 2012

Breaking the ice on icebergs

(Phys.org) -- Icebergs are a natural and beautiful part of Earth's cryosphere, and are closely monitored and studied by scientists around the world.

Computer Sciences Dec 16, 2011

Fujitsu develops distributed and parallel complex event processing technology that rapidly adjusts big data load fluctua

Fujitsu today announced that, in an industry first, they have developed complex event processing technology designed for use with cloud technology that employs distributed and parallel processing. This enables rapid adjustment ...

Nanophysics Sep 6, 2011

Patterned media technique achieves Terabit data recording densities

(PhysOrg.com) -- In an effort to increase the recording densities of hard disk drives, patterned media has become one of the most promising strategies for achieving recording densities beyond 1 Tbit/in2. In patterned media, ...

General Physics Jun 27, 2011

Weighted ping-pong balls can fall endlessly through a granular medium (w/ video)

(PhysOrg.com) -- When a meteor impacts a planet or a moon, it always stops at a relatively shallow depth, even when impacting at high speeds. Until now, researchers have assumed that all objects impacting a granular medium ...

Nanomaterials Jun 7, 2011

New production process for NiO/Ni nanocomposite electrodes for supercapacitors

(PhysOrg.com) -- Conversion to renewable energy sources like wind and sun is only a question of time. Because wind and solar radiation vary in strength, the increase in renewable energy sources will cause significant fluctuations ...

Robotics May 9, 2011

A tiltable head could improve the ability of undulating robots to navigate disaster debris (w/ video)

Search and rescue missions have followed each of the devastating earthquakes that hit Haiti, New Zealand and Japan during the past 18 months. Machines able to navigate through complex dirt and rubble environments could have ...

Materials Science Oct 14, 2010

Architecture of soil particles greatly influences if, when pollutants migrate

Pollutants can find themselves ensnared underground with few options for escape, according to a study by scientists at Iowa State University, University of Texas at Arlington, and Pacific Northwest National Laboratory. The ...

Engineering Jul 6, 2010

Submarine robots learn teamwork

New technology developed by European researchers will allow autonomous underwater vehicles to work together as a team. It increases the scope of submarine applications for autonomous vehicles. Even better, the technology ...

General Physics Jun 1, 2010

Study investigates craters formed by raindrops (w/ Video)

(PhysOrg.com) -- Hiroaki Katsuragi and a team from Kyushu University in Fukuoka, Japan, have been investigating what happens when water drops of various sizes are allowed to fall from a height of 10 to 480 mm onto a granular ...

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