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
13:01
Of all the possible ends of the universe, vacuum decay would be the most thorough.
13:43
It may very well be possible to communicate between worlds.
14:30
A newly discovered white dwarf may change our understanding of all cosmology.
14:05
Although elusive, the quantum spin has led to some of the deepest insights we now know.
14:01
Entropy is behind one of the most fundamental laws of physics.
12:22
The more time and space are divided, the distance between them may not exist.
13:44
The accumulation of space junk increases collisions known as the Kessler Syndrome.
11:34
If Planck relics are real, then the black holes may just be everywhere.
10:48
Quantum mechanics forbids us from measuring the universe. But we try with this principle.