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
14:01
How do you learn the age of the universe when there’s no trace left of its beginnings?
13:31
Recently we discovered that its violent past was much more recent than we thought.
13:38
How can we be sure about timescales so far beyond the capacity for human intuition?
12:49
If there’s one thing cooler than a black hole it’s a rotating black hole.
14:42
How do quantum states manifest in the classical world?
11:31
If the quantum multiverse is real there may be a version of you that lives forever.
15:09
Does conscious observation of a quantum system cause the wavefunction to collapse?
13:17
There is an idea that consciousness can directly influence quantum systems.
12:22
If the universe goes on forever, does that mean there are infinite versions of you?