I learnt about that.
It's perfectly safe.

If it was Beryllium it would kill you.
( Rev. Cleo still alive, Fri 12 Jan 2007, 20:10, archived)

huzzah!
how about Bn - Benylin, v 2, aw 99?
( cheesebread at the third stroke, hammertime will be, Fri 12 Jan 2007, 20:15, archived)

And it would be bloody useless
as it wouldn't show up on the X-rays.
( The Mock TurtIe ™ --- Thinks you are a cunt, on, Fri 12 Jan 2007, 20:17, archived)

The Barium sulphate molecules are just big enough =)
Anyway, if it was Beryllium then you wouldn't need x-rays.
( Rev. Cleo still alive, Fri 12 Jan 2007, 20:20, archived)