Astrophysicist Dr. Alex Filippenko, chair of UC-Berkeley's astronomy department, joins Dan for the first part of a two-part conversation. In part one, he talks about the nature of dark energy and how the universe may end in a few billion years.

STEAM-Cast is a production of the Project Fibonacci® Foundation, a 501-c-3 nonprofit educational organization whose mission is to introduce our youth to a culture of interdisciplinary STEAM learning, teaching them to become creative, independent leaders of community resurgence. You can learn more by going to projectfibonacci.org.

Steam-cast was written, produced and hosted by Dan Kostelec. You can follow Dan on twitter @dankostelec.

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