A team of researchers from Lawrence Livermore National Laboratory, the University of California at Berkeley and Princeton University has developed plasma-based techniques to build a lens for laser beams with petawatt-scale ...
There are no large caverns inside Comet 67P/Churyumov-Gerasimenko. ESA's Rosetta mission has made measurements that clearly demonstrate this, solving a long-standing mystery.
Space Exploration
Feb 4, 2016
5
77
Ever since the invention of the telescope four hundred years ago, astronomers have been fascinated by the gas giant of Jupiter. Between it's constant, swirling clouds, its many, many moons, and its Giant Red Spot, there are ...
Space Exploration
Jun 25, 2015
0
34
Metals have a large density of electrons and to be able to see the wave nature of electrons one has to make metallic wires that are only a few atoms wide. However, in graphene - one atom thick graphite—the density of electrons ...
Nanomaterials
Feb 23, 2017
0
22
Although we can't feel it, we're in constant motion: the earth spins on its axis at about 1,600 km/h; it orbits around the sun at about 100,000 km/h; the sun orbits our Milky Way galaxy at about 850,000 km/h; and the Milky ...
Astronomy
Jan 30, 2017
4
197
NASA's Cassini spacecraft has returned images from its final close approach to Saturn's oddball moon Hyperion, upholding the moon's reputation as one of the most bizarre objects in the solar system. The views show Hyperion's ...
Space Exploration
Jun 3, 2015
22
110
(Phys.org)—Measurements obtained with ESA's Venus Express spacecraft have shed new light on the interaction between the solar wind and the second planet from the Sun. During a rare period of very low density solar outflow, ...
Space Exploration
Jan 29, 2013
2
0
(Phys.org)—Using an enhanced form of "chemical microscopy" developed at the National Institute of Standards and Technology (NIST), researchers there have shown that they can peer into the structure of blended polymers, ...
Polymers
Nov 28, 2012
0
0
(PhysOrg.com) -- By combining high pressure with high temperature, Livermore researchers have created a nanocyrstalline diamond aerogel that could improve the optics something as big as a telescope or as small as the lenses ...
Condensed Matter
May 17, 2011
6
0
The metallic asteroid Psyche has mystified scientists because it is less dense than it should be, given its iron-nickel composition. Now, a new theory could explain Psyche's low density and metallic surface.
Astronomy
Sep 16, 2019
4
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