Ian Malpass said: > On Thu, 26 Jun 2003, Nicholas Clark wrote: > >> Meanwhile, which is heavier, an ounce of feathers or an ounce of gold? > > In air, an ounce of gold. In a vacuum, they weigh the same.
bzzt! they always weigh the same, because the same mass experiences the same amount of gravitational attraction. air vs vacuum makes a difference for falling speed, which for some reason is of incredible interest to physicists. -- muppet <scott at asofyet dot org>
