The Bernoulli principle is not bullshit -- it is very valid physics.

You might be thinking the way it's often used to wrongly explain how airplane wings generate lift. Yeah, that's bullshit. I mean, the principle still applies, if applied correctly. The equal transit bullshit that it's often associated with, well yes, that's complete and utter bullshit.

Bernoulli apparently caused some serious problems during peak shipping on the Thames. Big boats navigating in opposite directions having to work not to bump into each other.