On the C-SPAN Networks: Sean M. Carroll is a Professor for Natural Philosophy in the Johns Hopkins University with five videos in the C-SPAN Video Library; the first appearance was a 2007 Forum as a ...
As recently as the 1920s, astronomers thought the Milky Way galaxy was the entire universe. Now we know it’s one of hundreds of billions of similar galaxies out there. Last fall Sean Carroll and ...
Endgame" speaks about the elements of the movie's time-travel plot line that are supported by science.
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