News tagged with sand
Caltech Rover ready for rock-yard competition in Houston
(Phys.org) -- Later this week, a four-wheeled robot designed and built by Caltech undergraduate students will maneuver, apparently under its own guidance, through various challenges at the NASA Johnson Space ...
Space & Earth / Space Exploration
May 29, 2012 |
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Study uncovers secret to speedy burrowing by razor clams
(Phys.org) -- If you look at a razor burrowing clam sitting in a bucket, you’d never guess that it could burrow itself down into the soil, much less do it with any speed. Razor clams look like fat straws, ...
May 25, 2012 |
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Scientists measure Martian sand movement: Dune migration rates appear to be similar to those on Earth
Last year, images from NASA's Mars Reconnaissance Orbiter captured sand dunes and ripples moving across the surface of Mars—observations that challenged previously held beliefs that there was not a lot ...
Space & Earth / Space Exploration
May 09, 2012 |
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View from orbit of a huge white sands dust storm
It’s clear from this image of why a region in New Mexico, USA is called ‘White Sands.’ The dust plumes in this photograph taken by an astronaut on board the International Space Station show ...
Space & Earth / Earth Sciences
May 01, 2012 |
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Discovery of Indian artifacts complicates Genesis solar project
The Feb. 27 letter from the chairman of the Colorado River Indian Tribes was pleading and tough. It asked President Barack Obama to slow the federal government's "frantic pursuit" of massive solar energy projects in the Mojave ...
Technology / Energy & Green Tech
Apr 26, 2012 |
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X-rays create a window on glass formation: First ever visualization of how powder becomes molten glass
Scientists have for the first time visualised the transformation of powder mixtures into molten glass. A better understanding of this process will make it possible to produce high quality glass at lower temperatures, ...
Apr 16, 2012 |
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Self-sculpting sand could allow spontaneous formation of new tools, duplication of broken mechanical parts
Imagine that you have a big box of sand in which you bury a tiny model of a footstool. A few seconds later, you reach into the box and pull out a full-size footstool: The sand has assembled itself into a large-scale ...
Technology / Computer Sciences
Apr 02, 2012 |
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Sand Flea robot is set to leap into reconnaissance (w/ video)
(PhysOrg.com) -- Boston Dynamics’ video gallery of troop-supporting robots that trek and haul loads has a new addition that is drawing a sea of impressed viewers. It’s the Sand Flea Robot, an eleven-pound ...
Mar 29, 2012 |
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Clouds get in the way on Mars
The science team from the HiRISE camera on the Mars Reconnaissance Orbiter wanted to take another look at a region of icy sand dunes on Mars to look for seasonal changes as spring is now arriving on the Red ...
Space & Earth / Space Exploration
Mar 23, 2012 |
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Geologists discover new class of landform -- on Mars
(PhysOrg.com) -- An odd, previously unseen landform could provide a window into the geological history of Mars, according to new research by University of Washington geologists.
Space & Earth / Space Exploration
Mar 22, 2012 |
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World's largest extrusive body of sand?
Using 3-D seismic and well data from the northern North Sea, Helge Løseth of the Statoil Research Center (Trondheim, Norway) and colleagues describe a large (10 cubic kilometers) body of sand and interpret it as extrusive. ...
Space & Earth / Earth Sciences
Mar 20, 2012 |
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Transverse instability of megaripples
Aeolian ripples, which form regular patterns on sand beaches and desert floors, indicate the fundamental instability of flat sand surfaces under the wind-induced transport of sand grains.
Space & Earth / Earth Sciences
Mar 20, 2012 |
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Sandfish lizard slithers into science spotlight
In less than a second, a sandfish lizard can dig its way into the sand and disappear. Blink and you miss it. The sandfish's slithering moves are inspiring new robotic moves that could one day help search-and-rescue crews ...
Mar 20, 2012 |
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University team says Canadian oil sands mining plans don’t include damage to peatlands
(PhysOrg.com) -- David Schindler and colleagues at the University of Alberta have published a paper in the Proceedings of the National Academy of Sciences in which they detail what they believe is the true i ...
Mar 13, 2012 |
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A 'melted' moon makes for bad future landing sites
The miniature radio frequency (min-RF) radar instrument aboard the Lunar Reconnaissance Orbiter (LRO) is revealing some interesting things about how impact melts form around craters on the Moon. Impacts produce ...
Space & Earth / Space Exploration
Mar 05, 2012 |
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