Back to Show
PBS Space Time
Can The Crisis in Cosmology Be Solved With Cosmic Voids?
Season 9
Episode 34
Two of the greatest mysteries in cosmology are the nature of dark energy and the apparent conflict in our measurements of the expansion rate of the early versus the modern universe that even dark energy can’t account for. Could both of these be explained by looking to a part of the universe that we’ve largely ignored so far? Could cosmic voids be driving the universe?
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

14:14
Let’s learn how to cheat the universe.

14:28
Time to update you on the hunt for galactic empires.

13:29
This is what happens if microscopic primordial black holes could actually hit Earth.

14:07
Black holes of string theory - fuzzballs - are perhaps even weirder than the regular type.

14:28
We learn more about Modified Newtonian Dynamics aka MOND.

14:28
ACTION is the concept in physics that may be more fundamental than energy and entropy.

11:41
Constructor Theory is the ability to see the deepest underlying facts about the world.

13:00
New efforts in quantum tunneling show that superluminal motion may be possible.

14:15
The idea of magnetic monopoles remains one of physics’ most tantalizing maybes.

15:10
The fact is that all electrons are the same as each other and the object is what changes.

14:14
We take a journey to the center of a neutron star, a place where matter exists in states.

12:21
Our cleverest astronomers have figured out ways to catch light that skims black holes.