D-Squared - In Planck Time

The Speed of Light is NOT About Light | Space Time | PBS Digital Studios

The Speed of Causality Tweet at us! @pbsspacetime Facebook: facebook.com/pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: ...

The LONGEST time - Numberphile

A paper by Don Page claimed to use the longest finite time ever calculated by a physicist - it's the time it will take the Universe to reset itself!?! Video featuring ...

E=mc² is Incomplete

You've heard of E=mc²... but you probably haven't heard the whole story. http://translate.minutephysics.com MinutePhysics is on Google+ - http://bit.ly/qzEwc6 ...

Zeno's Paradox - Numberphile

Dr James Grime is back and talking about tortoises. In many ways this video follows on from http://www.youtube.com/watch?v=bFNjA9LOPsg and then ...

Singularities Explained | Infinite Series

For more on black hole singularities check out the Space Time episode: The Phantom Singularity https://youtu.be/-q7EvLhOK08 Tweet at us! @pbsinfinite ...

D-Squared

D-Squared