3 ms·

Nitpick, the reason the float doesn't implode is because it's open at the bottom. As the gasoline (very slightly) contracts, seawater comes in. From the wikiped

Nitpick, the reason the float doesn't implode is because it's open at the bottom. As the gasoline (very slightly) contracts, seawater comes in. From the wikipedia article.

13of40 3y ago
Interesting - I wonder if it's contracting because of the pressure or the temperature or both. I imagine it's probably pretty cold down there, and gasoline is known to expand and contract based on temperature.
- edizms 3y ago
  Most likely both but considerably more so due to the pressure.