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'Limitless' energy: how floating solar panels near the equator could power future population hotspots
(theconversation.com)
This is a most excellent place for technology news and articles.
One benefit is "cooling" the water underneath as we're running into record high sea temps.
Smaller panels spread out would be better since they can let in a decent average amount of light vs a big ass panel blocking everything in one area. But then you run into the issues of connecting all of those panels and that makes getting the power out of the ocean and into your house even harder.