Using data from the Gaia space telescope, a team led by researchers at Lund University in Sweden has shown that large parts of the Milky Way's outer disk vibrate. The ripples are caused by a dwarf galaxy, now seen in the ...
Astronomy
Sep 23, 2022
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Phase transitions, such as the boiling of water or the melting of a metal, are commonplace but fascinating phenomena that spur surprises decades after decades. They often occur as the temperature of a substance is changed, ...
Plasma Physics
Apr 14, 2022
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(Phys.org) —An international team of scientists, led by physicists at the University of Arkansas, has tracked the dynamic movement of ripples in freestanding graphene at the atomic level.
Nanomaterials
Apr 30, 2014
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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 of movement on ...
Space Exploration
May 9, 2012
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What may be the ultimate heat sink is only possible because of yet another astounding capability of graphene. The one-atom-thick form of carbon can act as a go-between that allows vertically aligned carbon nanotubes to grow ...
Nanomaterials
May 28, 2013
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As a sign of aging or in a suit, wrinkles are almost never welcome, but two papers in the current issue of Physical Review Letters offer some perspective on what determines their size and shape in soft materials.
General Physics
Jul 15, 2010
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Commercial laser printers typically produce pin-sharp images with spots of ink about 20 micrometers apart, resulting in a resolution of 1,200 dots per inch (dpi). By shrinking the separation to just 250 nanometers—roughly ...
Nanophysics
Apr 11, 2013
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Gravitational waves are tiny distortions of space-time caused by some of the most violent cosmic events such as colliding black holes. The observation of these 'ripples of space-time' requires exquisitely sophisticated new ...
Astronomy
Dec 21, 2015
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(PhysOrg.com) -- A drive of 482 feet (146.8 meters) on June 1, 2011, took NASA's Mars Exploration Rover Opportunity past 30 kilometers (18.64 miles) in total odometry during 88 months of driving on Mars. That's 50 times the ...
Space Exploration
Jun 6, 2011
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With a muffled "pop," a flash of blue light and a few ripples through 14,000 gallons of deionized water, Sandia National Laboratories’ Annular Core Research Reactor (ACRR) recently conducted its 10,000th operation.
Energy & Green Tech
Oct 31, 2011
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