News tagged with gravitational acceleration

When dark energy turned on (Update)

(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...

Space & Earth / Astronomy

created Mar 30, 2012 | popularity 4 / 5 (19) | comments 68 | with audio podcast

Unique geologic insights from 'non-unique' gravity and magnetic interpretation

(PhysOrg.com) -- In many fields of applied science, such as geology, there are often tensions and disagreements between scientists who specialize in analyses of problems using mathematical models to describe sets of collected ...

Space & Earth / Earth Sciences

created Dec 02, 2011 | popularity 4 / 5 (2) | comments 0

New mathematical model aids Big Bang supercomputer research

(PhysOrg.com) -- Scientists have made many discoveries about the origins of our 13 billion-year-old universe. But many scientific mysteries remain. What exactly happened during the Big Bang, when rapidly evolving ...

Physics / General Physics

created Jan 05, 2010 | popularity 4.2 / 5 (19) | comments 8 | with audio podcast

Gravitational Space Corridors Could Slash Space Travel Costs (w/ Video)

(PhysOrg.com) -- Scientists studying space travel possibilities have proposed that gravitational space corridors could be used by spacecraft, in much the same way as ships use ocean currents. Taking advantage ...

Space & Earth / Space Exploration

created Sep 16, 2009 | popularity 4.6 / 5 (29) | comments 6 weblog

Equivalence principle in space test

Since Galileo Galilei and Newton, the assumption is valid that inert and heavy mass are equivalent. This is, however, questioned by new physical theories such as the String theory. Now, the equivalence principle ...

Physics / General Physics

created May 11, 2009 | popularity 3.9 / 5 (13) | comments 3