Ten Great Ideas: Special theory of relativity

CERN scientists simplify space-time in 3 short videos link

I would love to take your questions but I think I just heard the bell . . .

Albert Einstein's Theory of Relativity link Youtube. 16 minutes 4 Star
Special Relativity
Click on the movie clips
4 Star
Time travel - the famous twins paradox
Youtube. 1 minute
4 Star
The science behind time travel Link Youtube. 3 minutes  
How would a 2-dimensional creature respond to a 3-D world?
Dr Quantum investigates flatland: Youtube. 5 minutes
3 Star
Want to see what ten dimensions look like? Thanks to John and Ivan for this
If this makes sense then maybe you can explain it back to me
4 Star