Squeeze shampoo bottle on the side?

have u noticed that when u use shampoo (or body wash, etc)


if u squeeze it normally (front %26amp; back), it would kinda suck back the shampoo when u stop squeezing


but


if u squeeze the bottle on the side, u will see that the shampoo will keep coming out, seems like the air is sucked in simutaneously..





what kind of physics are we talking bout here? anyone??





thanks very muchSqueeze shampoo bottle on the side?
really, you spend too much time in the shower.Squeeze shampoo bottle on the side?
Nope sorry can't help you there!
WoW

skin cream