News tagged with gravitational forces

Dark energy is real, say astronomers

(Phys.org)—Dark energy, a mysterious substance thought to be speeding up the expansion of the Universe is really there, according to a team of astronomers at the University of Portsmouth and LMU University Munich.

dateSep 12, 2012 in Astronomy
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Explainer: What is mass?

When it comes to electrons, Higgs bosons or photons, they don't have much going for them. They possess spin, charge, mass and … that's about it.

dateNov 12, 2015 in General Physics
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SLAC theorist explains quantum gravity

Our world is ruled by four fundamental forces: the gravitational pull of massive objects, the electromagnetic interaction between electric charges, the strong nuclear interaction holding atomic nuclei together and the weak ...

dateNov 19, 2015 in Quantum Physics
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