Sadly, keeping bottles out of the hands of terrorists just isn't
going to do the trick. If I were a terrorist mastermind with dreams
of bombing planes, I would already be thinking about catheters. "Hmm,
if we use catheters to fill Ahmed's bladder with chemical A and
Abdul's with chemical B, then they can go the lavatory. First Ahmed
pees in the sink, and then Abdul does it. And boom! Mwa-ha-ha-ha!"
And, of course, more Ahmeds and Abduls can fill the sink deeper and
make a bigger boom.
Now--if the security folks start feeding people diuretics and
demanding they drink a quart of water an hour before flight time,
you'll know who to blame.
And at that point our terrorist mastermind starts thinking about
transfusions...
You want to ban containers of liquid? People ARE containers of liquid.
--http://technoprobe.blogspot.com/2006/08/would-you-believe.html