Richard W. Hamming, The Unreasonable Effectiveness of Mathematics, The American Mathematical Monthly, 1980

Rating: 4/5 Link

• Hamming reflects on and extends Wigner's Unreasonable Effectiveness.

Eugene Wigner, The Unreasonable Effectiveness of Mathematics in the Natural Sciences, Communications in Pure and Applied Mathematics, 1960

Rating: 4/5 Link

• Wigner observed that the mathematical structure of a physics theory often points the way to further advances in that theory and even to empirical predictions, and argued that this is not just a coincidence and therefore must reflect some larger and deeper truth about both mathematics and physics.

Tony Rothman, The Man Behind the Curtain, American Scientist, 2011

Rating: 4/5 Link

• Physics is not always the seamless subject that it pretends to be.

E.M. Purcell, Life at Low Reynolds Number, American Journal of Physics, 1977

Rating: 4/5 Link1 Link2 Link3

• Reynolds number: ratio of inertial forces to viscous forces.
  
• Motion in an inertia-less world.
• Scallop theorem.