"Chuck Guzis" <cclist at sydex.com> wrote:
CRT's are safer to
transport and handle if the vacuum is removed from the tube before
disposal.
Strangely enough, letting the vacuum out actually makes the tube
heavier.
And, as a corollary, a box full of ones weighs less than a box
full of zeroes. Proof: weigh a box of unpunched cards, then punch
and weigh again.
Tim.