
The nuclear-weapon-looking prove—a $US720-million underwater three-dimensional mapping system—was tested by Jill Heinerth at a depth of 90m during a 3000m lateral movement. Forty-four-year-old Heinerth is considered the world’s top female cave diver. I just consider her one seriously kickass person.
As much as I would like to dive with on these Sentinel rebreathers, I wouldn’t get anywhere near a cave. [Daily Mail]