Into its cavity, much like it s doing with these ducks here. once it s full, it dives down to 200m, at which point the water pressure crushes the air bladders that keep it afloat and the sargassum sinks down to the seabed. there it s locked away for many hundreds, if not thousands of years. the first version of the algaray was attached to a remote controlled catamaran, whereas the final version is going to be a 10m long submersible powered by green energy. bagpipes skirl the whole thing is going to be covered in solar panels, so there ll be quite a bit of available energy to drive sensors. so in here already, we ve got depth temperature and a camera on the front. ....