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Research in general relativity and quantum field theory. Principal Research Scientist at Georgia Tech. Book The Infinite Universe (2020) on Amazon.
The Universe is: Expanding, cooling, and dark. It starts with a bang! #Cosmology Science writer, astrophysicist, science communicator & NASA columnist.
Writing about space since I was 10, still not Carl Sagan. Weekly video show, podcast, comics, more: www.thecosmiccompanion.net
Astronomer, technologist, & creative focused on using new media to engage people in learning and doing science. Opinions & typos my own.
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