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
12:44
Recent surveys draw scientific conclusions about the persistent absence of aliens.
12:04
Is it possible to simulate the entire universe on a computer smaller than the universe?
11:46
How gravitational waves can be used to search for extra dimensions of space!
12:20
General relativity and quantum mechanics seem to describe all of observable reality.
9:28
The universe is full of stuff. But... is it actually made of stuff? Or information?
11:41
Black Holes should have no entropy, but they hold most of the entropy in the universe.
13:41
There is no greater hero in our search for life on mars than a robot named Opportunity.
12:36
Do the theories of quantum physics truly represent the underlying workings of reality?
8:51
Humanity is coming closer to touching the Sun after launching the Parker Solar Probe.