Up Next
Back to Show
PBS Space Time
Can a Circle Be a Straight Line?
Season 1
Episode 20
On this week's episode of Spacetime, Gabe talks about what it actually means for a line to be straight so we can better understand what we mean by the idea of "curved Spacetime". This is Part One of our series on General relativity, so be sure to check it out!
Support Provided By
14:28
Challenge question: if 1kg of apples is $5 and 2kg is $10, how much is -1kg of apples?
13:17
The hubble constant--the rate of expansion of our universe--has consumed astronomers.
13:50
The foundations of quantum theory rests on its symmetries.
13:08
Astronomers are the worst at naming things. Dark energy AND dark matter?
12:18
What you think is a perfect reflection might be universe that is fundamentally different.
13:43
Let me tell you a story about virtual particles. It may or may not be true.
