(Phys.org)—An international team of astronomers has found evidence that a planet was destroyed by its ageing star. Led by Pennsylvania State University (Penn State) in the United States, the team showed ...
Sep 21, 2012
5 / 5 (3)
2
(Phys.org)—The first measurements of the elemental composition of the surface of the giant asteroid Vesta indicate that hydrogen was brought to the body by impactors, research by a team led by Planetary ...
Sep 20, 2012
4.8 / 5 (4)
4
|
(Phys.org)—NASA's Mars rover Curiosity has driven up to a football-size rock that will be the first for the rover's arm to examine.
Sep 20, 2012
4.3 / 5 (15)
17
|
(Phys.org)—Supernovae, the explosive deaths of massive stars, are among the most momentous events in the cosmos because they disburse into space all of the chemical elements that were produced inside their ...
Sep 18, 2012
4 / 5 (2)
0
When new cell phones or tablets enter the marketplace, yesterday's hot technology can quickly become obsolete - for some consumers. For others, the device still has value as an affordable alternative, or ...
Sep 17, 2012
4.5 / 5 (2)
0
A museum scarcely bigger than a Paris flat sheds light on a momentous era for physics, a time of heroic individuals who made extraordinary discoveries but often at hideous risk.
Sep 13, 2012
5 / 5 (1)
0
A system that has only two possible stable states, such as a light switch, is called bistable by scientists and engineers. Bistability in microscale devices could pave the way to compact optical switching ...
Sep 12, 2012
3.5 / 5 (2)
0
(Phys.org)—A group of astronomers led by Gregg Wade of the Royal Military College of Canada have used the Hobby-Eberly Telescope (HET) at The University of Texas at Austin's McDonald Observatory and the ...
Sep 11, 2012
4.2 / 5 (5)
5
|
(Phys.org)—The National Institute of Standards and Technology (NIST) has issued a new nanoscale reference material for use in a wide range of environmental, health and safety studies of industrial nanomaterials. ...
Sep 06, 2012
5 / 5 (1)
0
(Phys.org)—A new image from ESO's La Silla Observatory in Chile shows the spectacular globular star cluster Messier 4. This ball of tens of thousands of ancient stars is one of the closest and most studied ...
Sep 05, 2012
5 / 5 (3)
25
|
(Phys.org)—On the morning of 3 September 2006, a brief flash illuminated the Moon's 'Lake of Excellence' as ESA's SMART-1 mission met its fate on the dusty surface.
Sep 04, 2012
4.2 / 5 (5)
0
Languages are continually changing, not just words but also grammar. A recent study examines how such changes happen and what the changes can tell us about how speakers' grammars work. The study, "The course of actualization", ...
Sep 04, 2012
4.2 / 5 (5)
1
To build a planet you need lots of rubble and that means lots of heavy elements – stuff more massive than atoms of hydrogen and helium. The elemental composition of the collapsing nebula that gave birth ...
Aug 31, 2012
4.8 / 5 (9)
10
|
(Phys.org)—Fine dew drops on spider webs, blades of grass, and even insects can lend them breathtaking beauty. And, examining them very closely, one recognises that the drops themselves form astonishingly ...
Aug 29, 2012
4.3 / 5 (3)
1
|
(Phys.org)—When Lawrence Berkeley National Laboratory scientist Frances Houle considers the national alarm that has sounded over the shortage of rare earth materials—critical ingredients in a wide range ...
Aug 29, 2012
3.7 / 5 (3)
1
