I heard Werner Heisenberg doodled the uncertainty principle on a cocktail napkin (which was subsequently removed by an over-zealous waitress), and Paul Dirac wrote out the behaviour of fermions in the snow with...well, the original work was destroyed by spring.
Frowning takes 68 muscles.
Smiling takes 6.
Pulling this trigger takes 2.
I'm lazy.
I once calculated the answer to Life, the Universe, and Everything in the palm of my hand. Unfortunately, all the calculations and proof were erased by my dog licking my hand, but I remember the answer was 42. I just can’t remember the equations.
;>D