Jacob Alterations
So now my vision of him is an extremely rich, yet young - high class citizen, but real quiet about it - so that Naeva never ponders his wealth until they arrive at his house.
Book: A scientist unravels the mysteries of the past to save the future.
So the answer to your second question is that man has been almost to the deepest point in the sea.
What's the pressure there? You can find the pressure by using the hydrostatic relation:
p = rho g zwhere p is the pressure, rho is the density of seawater (about 1030 kg/m3), g is the acceleration of gravity (9.81 m/s2) and z is the depth. I get 1114 bars -- that's over 1000 times the atmospheric pressure at sea level.