Relativity: explained (simply and with pictures)

This is a playist - use the arrows to advance to the next video. There are 5 in total.

Why does light bend due to gravity? Does the phrase "initial reference frame" bring you out in a cold sweat?
What is the significance of a 16th century ping-pong paddle to and how is it linked to the famously mis-named "twin paradox"?

The answers to all these questions and more (some profound, others less profound) await.....

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Comment by Richard Healy on July 31, 2011 at 5:42am
Thanks Wanda. 

I found it an interesting series and thought it good to share.

I wished the guy had uploaded some more but I checked and this is the sum total.
Comment by Wanda T on July 29, 2011 at 5:01pm
Thanks for uploading this!  Just watched the first and have saved the others to watch later.

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