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Why is the universe so big? And why isn't it bigger?
The universe is unfathomably large, but it could be much larger (or smaller) if it was full of different stuff.
Ethan Siegel
Jul 25, 2024
What are kugelblitze – and why can’t they exist?
If you have never heard of kugelblitze, don't feel bad. They do not exist — and nor, new research proves, can they.
FirstPrinciples
Jul 16, 2024
Featured Articles
In conversation: Peter Woit on math and physics
A physicist-turned-mathematician discusses the intersection of those disciplines, string theory’s “intellectual standstill,” and much more.
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Latest Articles
In conversation: Peter Woit on math and physics
A physicist-turned-mathematician discusses the intersection of those disciplines, string theory’s “intellectual standstill,” and much more.
FirstPrinciples
In conversation: Peter Woit on math and physics
A physicist-turned-mathematician discusses the intersection of those disciplines, string theory’s “intellectual standstill,” and much more.
FirstPrinciples
Mar 21
Debdutta Paul
Apr 9
FirstPrinciples
Mar 7
FirstPrinciples
Feb 7
Katie Mack
Nov 7, 2024
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