http://science.slashdot.org/comments.pl?sid=267217&threshold=1&commentsort=0&mod
e=thread&pid=20200689#20201743
  Sharks bite at stuff, it's what sharks do, they are pretty much
giant eating machines living in the ocean.
Spoken like a true Jaws watcher who's never actually seen a ...

I just started open water classes and was just curious on what type of
equipment to get.  i.e. gloves, mask, ?? for the open water class.

He isn't in the Yucatan, is he?

So I completed my open water cert dives this weekend and am now a
certified open water diver.  Thanks for all the advice I've gotten so
far, I really appreciate it!
The dives went relatively well, with the exception of dive #1.  We

A friend of mine has an old steel tank that he wants to use to fill his
paintball guns. It passed the hydro and visual, but we can't positively
determine what pressure to fill it to. My best guess is 2250 psi. but I
don't know for sure. It doesn't match any of the spec charts ...