Free physics revision videos, aimed mostly at GCSE and A Level students. Also includes worked solutions for the Oxford PAT. Not that many videos yet, but new videos are added regularly. https://www.youtube.com/user/cowenphysics
Detailshttp://www.zmescience.com/science/math/10-beautiful-visual-mathematical-proofs-elegance-and-simplicity/
https://www.youtube.com/watch?v=98Jogkya2do
https://www.youtube.com/watch?v=jMl1s8bMWRI
https://www.youtube.com/playlist?list=PLhsb6tmzSpiwrZuDMyweABm7FShZu3YUv
https://www.youtube.com/user/lasseviren1
https://www.youtube.com/watch?v=JX3VmDgiFnY
http://journal.frontiersin.org/article/10.3389/fnhum.2014.00068/full
Felix Klein’s so-called Erlangen Program was published in 1872 as professoral dissertation. It proposed a new solution to the problem how to classify and characterize geometries on the basis of projective geometry and group theory. The given translation was made in 1892 by Dr. M. W. Haskell and transcribed by N. C. Rughoonauth. http://arxiv.org/abs/0807.3161
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