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Albert Einstein published his theory of general relativity on December 2, 1915.
The Aspen Center for Physics, a mountain retreat for theoretical physicists, turns 50 this year.
The universe is full of invisible stuff. Take dark matter--you can't spot it with your eyes, but it outnumbers visible matter five to one!
Will Congress cut funding for Hubble’s successor?
We'll talk about the mind-boggling idea that stuff we can't see within our visible universe could be causing gravitational effects on visible matter.
In this hour, we'll get an update on the very small--particle physics--and the very large--cosmology--and find out how these two fields of study fit together.
SciFri’s scientist-film critics weigh in on the science behind the Hollywood tec...
From miniatures and matte paintings to motion capture, a look at how movie techn...
We'll look at how Hollywood became a driving force in the invention of new techn...
Astronauts separate fact from fiction in Alfonso Cuarón's 3-D space epic, Gravit...