The simple picture of star formation calls for giant clouds of gas and dust to collapse inward due to gravity, growing denser and hotter until igniting nuclear fusion. In reality, forces other than gravity also influence ...
Astronomy
Sep 9, 2009
12
0
(PhysOrg.com) -- A team of researchers at the University of Alberta in Edmonton has broken new ground in outer space by pinpointing the impact epicentre of an Earthbound space storm as it crashes into the atmosphere and giving ...
Space Exploration
May 27, 2009
0
0
The Lost World, Sir Arthur Conan Doyle's account of an isolated community of dinosaurs that survived the catastrophic extinction event 65 million years ago, has no less appeal now than it did when it was written a century ...
Archaeology
Apr 28, 2009
2
0
(PhysOrg.com) -- Researchers at the University of Arkansas have shown that changing the chirality, or direction of spin, of a nanoscale magnetic vortex creates an electric pulse, suggesting that such a pulse might be of use ...
General Physics
Apr 8, 2009
1
0
(PhysOrg.com) -- At the human scale, the tightly wrapped spinning columns of air in a tornado contain terrifying destructive power that ravages communities. At the nanoscale, however, closely coiled magnetic vortices hold ...
General Physics
Feb 2, 2009
1
0
