News tagged with sand
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 |
5 / 5 (4) |
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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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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 |
4.7 / 5 (15) |
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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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Scientists Investigate Cause of 'Singing Dunes'
(PhysOrg.com) -- In more than 30 locations around the world, the phenomenon of singing sand dunes has intrigued explorers, tourists, and scientists. When an avalanche occurs or even when the sand is pushed ...
Dec 15, 2009 |
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Earth's oldest fossils boost hopes for life on Mars
(PhysOrg.com) -- Microfossils found in Australia show that more than 3.4 billion years ago, bacteria thrived on an Earth that had no oxygen, a finding that boosts hopes life has existed on Mars, a study published ...
Space & Earth / Earth Sciences
Aug 21, 2011 |
4.9 / 5 (17) |
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Spitzer sees crystal 'rain' in outer clouds of infant star
(PhysOrg.com) -- Tiny crystals of a green mineral called olivine are falling down like rain on a burgeoning star, according to observations from NASA's Spitzer Space Telescope.
May 27, 2011 |
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Winds of change strike Mars, too
Mysterious dark sand dunes around Mars' northern polar cap are shifting with the seasons, as carbon dioxide gas changes form and sparks landscape-altering avalanches, said a study published Thursday.
Space & Earth / Space Exploration
Feb 03, 2011 |
4.4 / 5 (14) |
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Why the sandfish lizard wriggles as it does (w/ Video)
(PhysOrg.com) -- The sandfish lizard (Scincus scincus) lives in the desert sands of North Africa and burrows through the sand by wriggling. Now scientists in the US have created a computer model that emulat ...
Feb 25, 2011 |
4.4 / 5 (7) |
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Putting an airplane on a distant moon
(PhysOrg.com) -- In addition to its rivers, oceans, mountains, sand dunes and winds, Saturn’s moon Titan may someday share another similarity with Earth: airplanes.
Space & Earth / Space Exploration
Jan 25, 2012 |
4.9 / 5 (15) |
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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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Ice sheet melt identified as trigger of Big Freeze
The main cause of a rapid global cooling period, known as the Big Freeze or Younger Dryas - which occurred nearly 13,000 years ago - has been identified thanks to the help of an academic at the University of Sheffield.
Space & Earth / Earth Sciences
Mar 31, 2010 |
4.4 / 5 (28) |
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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 |
4.3 / 5 (12) |
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Photo from NASA Mars orbiter shows wind's handiwork
(PhysOrg.com) -- Some images of stark Martian landscapes provide visual appeal beyond their science value, including a recent scene of wind-sculpted features from the High Resolution Imaging Science Experiment ...
Space & Earth / Space Exploration
Jan 26, 2012 |
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