It’s called the WasteShark, and its job is to get rid of floatable debris on the Hudson River. It’s a remote-controlled robot that is a new tool for fighting plastic pollution in Hudson River Park.

CHICO — Robots fought using fire, flight and sharp metal at the Robotronica event at Chico State on Saturday. American Institute of Mechatronic Engineers, or AIME, is a university club run by students ...