News tagged with general theory of relativity

The annihilating effects of space travel

Long distance space travel could create the ultimate 'killer entrance', devastating your destination and anything around the arriving spacecraft, according to calculations by Professor Geraint Lewis and two ...

dateMar 12, 2012 in General Physics
shares0 comments 34

Quantum steps towards the Big Bang

(Phys.org) —Present-day physics cannot describe what happened in the Big Bang. Quantum theory and the theory of relativity fail in this almost infinitely dense and hot primal state of the universe. Only ...

dateSep 03, 2013 in Quantum Physics
shares0 comments 109

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 ...

dateMar 30, 2012 in Astronomy
shares0 comments 67

Is dark energy static or dynamic?

(Phys.org)—While hypothesized dark energy can explain observations of the universe expanding at an accelerating rate, the specific properties of dark energy are still an enigma. Scientists think that dark energy could take ...

dateNov 12, 2012 in General Physics feature
shares0 comments 48

Pulsars: The Universe's gift to physics

Pulsars, superdense neutron stars, are perhaps the most extraordinary physics laboratories in the Universe. Research on these extreme and exotic objects already has produced two Nobel Prizes. Pulsar researchers now are poised ...

dateFeb 19, 2012 in Astronomy
shares0 comments 47