I seem to remember an article in Scientific American around about 10 years
ago was on physics and karate - along with strobe pictures of breaking
bricks or blocks of wood.
Denis
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Denis Burchill, (d.burchill@ace.ac.nz)
Senior Lecturer in Physics, Science and Technology Education
Auckland College of Education,
Private Bag 92601, Symonds St, Auckland 1035, New Zealand
Phone: +64-9-623 8899 xtn 8501 FAX: +64-9-623 8898
College Web Site: http://www.ace.ac.nz/centres/science