====== Cooling ======

Ideas about boat cooling / heating.

Pump cooler water from deployable hose lower in the sea. Run fanned radiator in boat.

===== Possible ingredients =====

  * 316 stainless water/water heat exchanger.
  * Car or kitchen plinth radiator.
  * Ceramic centrifugal pump.

adsorption refrigeration
https://www.sciencedirect.com/science/article/abs/pii/S1359431116318178

Radiative cooling panels.