If I lived in an underwater society– the kind in which whole cities are built under clear domes suctioned to the seabed– I probably wouldn’t like swimming as much. Going in and out via the pressure chamber would just seem like too much hassle for a few minutes of waving my arms and legs around. Maybe it would be the kind of society that has pools inside the dome. Then I could float on my back and look up at the water above me and think about how ironic it all was. I could make it even more ironic by sipping water from my hydration pack. Wait, I don’t have a hydration pack. I only have a Nalgene bottle that I hook to my waist strap and then it thunks against my leg the whole time. There goes that fantasy.

P.S. here are some great pictures of Dr. G and his sister, in honor of his birthday, which was a factor of two for the mathematically inclined among you.

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