Paul M. Sutter

Ask a Spaceman!

Join astrophysicist Paul M. Sutter as he tackles your questions about the universe, offering insights that illuminate the mysteries of time and space each episode.

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AaS! 252: Why Can’t We Get Free Energy from the Vacuum?

E252 • 34 mins • Jul 22, 2025

Recent Episodes

Jul 22, 2025

AaS! 252: Why Can’t We Get Free Energy from the Vacuum?

E252 • 34 mins

Jul 8, 2025

AaS! 251: Are the Cosmic Voids Really Empty?

E251 • 31 mins

Jun 17, 2025

AaS! 250: Where Do the Constants of Nature Come From? Part 2

E250 • 33 mins

Jun 3, 2025

AaS! 249: Where Do the Constants of Nature Come From? Part 1

E249 • 36 mins

May 20, 2025

AaS! 248: What’s Going on Inside Neutron Stars?

E248 • 33 mins

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