2 Elementary questions about classical theory.
“We gain an understanding of the laws of nature by analysing the simplest cases and by leaving out of our first attempts all intricate complications.” – A Einstein and L Infeld, “The Evolution of Physics”, pub. CUP 1938, p12
"The Catt Question." ; Dr. Arnold Lynch http://www.ivorcatt.co.uk/x88clynch.pdf ; Stephen Crothers ; Professor Gardner on "The Catt Question" and http://www.ivorcatt.co.uk/x88bgardner.htm ; Harry Ricker