Today reading "20,000 Leagues Under the Sea" Chapter 16

Table of Contents
NASA Zero-G Dive TankBuoyancy
Archimedes' Nude Eureka Moment
Claw of Archimedes & 214 BC Ray Gun
This evening as we started chapter 16 of '20,000 Leagues Under the Sea', my oldest son mentioned how 'super cool' dive tanks would be because if you were weighted down you could still walk around like being on land, but you could also jump really high. This idea came to him right before the characters in the book went on an expedition on the sea floor.
NASA Zero-G Dive Tank
Of course, being a space nut (Awesome Space Videos for Kids!), I couldn't resist mentioning that a big dive tank is how the NASA astronauts train for zero gravity. We skimmed through a few of the high points of this video ...