AaS! 196: Could We Ever Build a Dyson Sphere?
Ask a Spaceman!21 Mar 2023

AaS! 196: Could We Ever Build a Dyson Sphere?

What are Dyson spheres? What would be involved in building one? How much energy would it cost, and could we ever pay it back? I discuss these questions and more in today's Ask a Spaceman!

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Thanks to Cathy Rinella for editing.

Hosted by Paul M. Sutter, astrophysicist and the one and only Agent to the Stars (http://www.pmsutter.com).

Episoder(274)

AaS! 124: Why Is the Speed of Light the Way It Is?

AaS! 124: Why Is the Speed of Light the Way It Is?

Why is the speed of light so important in physics? Why does the value not matter at all? And why does it have the speed that it does? I discuss these questions and more in today's Ask a Spaceman! Supp...

17 Mar 202035min

How to Die in Space: Sneak Preview

How to Die in Space: Sneak Preview

My next book, How to Die in Space, is coming out June 2020! Here's a special sneak preview reading from the book, and info about how you can get a free autographed copy! Book info: www.pmsutter.com/bo...

10 Mar 202014min

AaS! 123: What Powers a Hypernova?

AaS! 123: What Powers a Hypernova?

How can a supernova become even more powerful? Why do we have such a hard time studying them, let alone defining them? What happens when you let a giant star unleash its full potential? I discuss thes...

3 Mar 202027min

AaS! 122: Is String Theory Worth It? (Part 8: An Armageddon of Strings)

AaS! 122: Is String Theory Worth It? (Part 8: An Armageddon of Strings)

How did String Theory get started? What has made the idea so popular over the decades? Can we ever truly have a theory of quantum gravity? What is supersymmetry, the landscape, and the AdS/CFT Corresp...

18 Feb 202048min

AaS! 121: Is String Theory Worth It? (Part 7: A Correspondence from a Dear Friend)

AaS! 121: Is String Theory Worth It? (Part 7: A Correspondence from a Dear Friend)

How did String Theory get started? What has made the idea so popular over the decades? Can we ever truly have a theory of quantum gravity? What is supersymmetry, the landscape, and the AdS/CFT Corresp...

4 Feb 202030min

AaS! 120: Is String Theory Worth It? (Part 6: We Should Probably Test This)

AaS! 120: Is String Theory Worth It? (Part 6: We Should Probably Test This)

How did String Theory get started? What has made the idea so popular over the decades? Can we ever truly have a theory of quantum gravity? What is supersymmetry, the landscape, and the AdS/CFT Corresp...

21 Jan 202032min

AaS! 119: Is String Theory Worth It? (Part 5: Duality of the Fates)

AaS! 119: Is String Theory Worth It? (Part 5: Duality of the Fates)

How did String Theory get started? What has made the idea so popular over the decades? Can we ever truly have a theory of quantum gravity? What is supersymmetry, the landscape, and the AdS/CFT Corresp...

7 Jan 202035min

AaS! 118: Is String Theory Worth It? (Part 4: What We Need is a Superhero)

AaS! 118: Is String Theory Worth It? (Part 4: What We Need is a Superhero)

How did String Theory get started? What has made the idea so popular over the decades? Can we ever truly have a theory of quantum gravity? What is supersymmetry, the landscape, and the AdS/CFT Corresp...

17 Des 201942min

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