in a vacuum
a rock (or in this case a bowling ball)
and a feather (or in this case several feathers)
if dropped at the same time
would fall at the same rate and land at the same time !
S U R E ? ! ? --- you say hesitatingly.
Well, guess what?
What?
The experiment has finally been done to see if this is realllllly true.
To see the video (and you DO want to see this)
....
