http://www.youtube.com/physicswoman How does soap change the surface tension of water? I have used my degree to make a fifth video -- for you all -- to explain this very question.
========== inside your clicky pen is a science
experimentwaiting to spring forthfill a cup with
waterplace the spring from your clicky pen
ever so gently into the waterIT FLOATS!why? because the middle of the spring is
lighter than waterno Dianna you buffoon metal is not
lighter than water and as much as thisspring resembles the Titanic one of them
is doing a better job of staying afloatbut waitmuhahanow i will activate the evil goo of
deathnow before I bring travesty and
devastation to this display of tensileforces i will explain it because it's
cool enough to destroythe water holds up the spring because the h2o molecules
on the surface of the water are bondedtogether quite tightly. these surface
molecules have fewer neighbors than therest of the molecules in the cup. one
could say t...
