Man, what I would have given to have these Jellyfish drones monitoring my beach when I was a kid. I hated jellyfish! Still do. Kudos for the folks who came up with this. (I don’t think the drones actually fight the jellyfish, in case you were concerned about this due to my misleading title. :))
Here on land, if you are keen to have a Boston Dynamics dog robot of your own, now you can. Click on that link for more details.