For those who were curious like I was: http://physics.stackexchange.com/questions/266932/why-does-saliva-on-the-finger-give-correct-direction-of-wind http://ph

For those who were curious like I was: http://physics.stackexchange.com/questions/266932/why-does-saliva-on-the-finger-give-correct-direction-of-wind http://physics.stackexchange.com/questions/266932/why-does-s...