Hey Sidney, What was your College Major? Scuba Diving? he heh!!!
I loved Physics and calculus in College. My prof even made, designed, and welded his own 2 stroke tuned pipe for a racing Kart.........
the drip answer is simple, really.
RPM's, and out of sync strobe light on a falling edge of the standing wave harmonic makes the drops go backwards............
Or.............In YouTube speak, "this is freakin awesome and whatisupwiththat whatisupwiththat, this is like freakin' Paranormal activity!!!"........
were magic mushrooms involved in this filming?
and why wasn't Wesley wearing his shirt?
mushroom, definitely mushrooms.
Ceiling fan and strobe light trick - YouTube