The videos are the explanation of the concepts in the first chapter of the book, Imagining the Tenth Dimension.
Technorati tags: Tenth dimension, Basic physics
"The time has come," the Walrus said,
"To talk of many things:
Of shoes - and ships - and sealing-wax - Of cabbages - and kings
And why the sea is boiling hot - And whether pigs have wings."
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