Richard Hardiman of RanMarine us using small robots in Rotterdam that catch garbage before it works its way across the sea and into a great garbage patch.The Port of Rotterdam Authority’s Port Waste Catch is sponsoring the project until the end of 2016 with four Waste Sharks swimming around. Each can collect up to 1,100 pounds of waste in its open mouth, that extends a foot below the ocean's surface. Here’s a larger version, dubbed “Fatboy.” Because of the enormous volume of ships moving through Rotterdam, the city’s port is having a difficult time dealing with waterborne waste, which is where its new “Waste Shark” drone comes in.