Up Next
Back to Show
PBS Space Time
The Real Meaning of E=mc²
Season 1
Episode 15
You’ve probably known OF E=mc² since you were born, and were also probably told that it meant that it proved Mass equaled Energy, or something along those lines. BUT WAIT. Was E=mc² explained to you properly? Mass equalling energy is mostly true, but E=mc² actually describes a much more interesting aspect of reality.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
12:05
The 2023 Physics Nobel prize has been awarded to three physicists for attosecond physics.
15:59
With the James Webb Space Telescope we’ve now seen the earliest star ever detected.
17:24
Some are arguing that Many Worlds and Pilot Wave are really the same.
18:00
What if we could produce superconductivity at room temperature? It would change the world.
20:39
We may need to build a radio telescope in the quietest place nearby - the moon!
14:59
Spacetime on its smallest scale is an ocean of black holes and wormholes...or so we think.
11:49
Did JWST just find a new type of star powered by dark matter?
16:21
Did we just uncover new evidence to support Cold Dark Matter?
15:51
The gravitational wave background has probably been detected using a pulsar timing array.
15:05
Let’s explore how constant this speed of light fundamental constant really is.
14:39
Dark matter may be a quantum mechanical wave that literally holds galaxies together.
16:24
Has AI proven that the proton is made of 5 quarks rather than 3 quarks?