Whether a car or a ball, the forces acting on a body moving in a straight line are very different to those acting on one moving in tight curves. This maxim also holds true at microscopic scales. As such, a beam of electrons ...
General Physics
Feb 17, 2012
0
0
ESA’s Automated Transfer Vehicles (ATVs) are an essential contribution by Europe to running the International Space Station. Naming the fifth after Belgian scientist Georges Lemaître continues the tradition of drawing ...
Space Exploration
Feb 17, 2012
0
0
As the state geologist for Arizona, Lee Allison knows granite from sandstone, a syncline from an anticline. But he has lacked the ability to look through rocks to visualize the inner workings of the Earth.
Earth Sciences
Feb 17, 2012
1
0
Graphene — carbon atoms packed in a honeycomb lattice — exhibits exceptional physical and electronic properties not found in conventional materials. Decorating the surface of graphene with nanoparticles may further ...
Nanomaterials
Feb 17, 2012
0
0
(PhysOrg.com) -- Phosphorus and arsenic are on top of each other in one group of the periodic table, so they have many similar properties. In addition to tubular forms, phosphorus is found in white, red, black, and purple ...
Materials Science
Feb 17, 2012
1
0
(PhysOrg.com) -- Many versions of early Earth history offer visions of a hot melting mix of materials which would have resulted, after cooling, in a smooth blend of ingredients, much a like a cake after beating and baking. ...
Canada has used immigration as a population expansion policy resulting in the country’s highly diverse society. And often among the challenges brought on by large-scale immigration, are individual stories of struggle ...
Social Sciences
Feb 17, 2012
0
0
Silicon nanowires are widely recognized as candidates for use in next-generation sensors, battery electrodes and solar cells, and first-principle calculations are an important tool in the development of these applications. ...
Nanophysics
Feb 17, 2012
0
0
Under the Microscope is a collection of videos that show glimpses of the natural and man-made world in stunning close-up. They are released every Monday and Thursday and you can see them here: http://bit.ly/A6bwCE
Cell & Microbiology
Feb 17, 2012
0
0
(PhysOrg.com) -- Ambling through the parched and scarred landscape of eastern Washington state is the 60-mile-long Grand Coulee, the largest of the stair-step canyons that give the region called the Channeled Scablands its ...
Earth Sciences
Feb 17, 2012
2
0
