In November 2023, violent Atlantic storm “Domingos” struck the northern coast of Portugal, generating record-high waves and leaving a path of destruction across much of Western Europe. People on land were grappling with flooded homes, closed roads, and landslides. But just offshore, a potentially game-changing wave energy device was happily bobbing up and down, side to side — seemingly, in its element. Built by Swedish startup CorPower, the giant golden buoy turns the raw power of the ocean into a clean, reliable electricity source.