alt Hacker NewsSomewhat different, but this reminds me of an approach that uses temperature gradients in the ocean to power a heat engine.
https://en.wikipedia.org/wiki/Ocean_thermal_energy_conversio...
Somewhat different, but this reminds me of an approach that uses temperature gradients in the ocean to power a heat engine.
https://en.wikipedia.org/wiki/Ocean_thermal_energy_conversio...
OTECs are amazing, and step 1 of "The Millennial Project: Colonizing the galaxy in eight easy steps"[0]
[0]: https://en.wikipedia.org/wiki/The_Millennial_Project
There's a shore-based research OTEC in Hawaii, but the best is a floating, closed-loop OTEC in the ocean.