I can't find this anywhere and I just have one question well actually two.

Question

Important question: what have engineers found out about the topic of robots picking up trash?
Non Important(Still answer tho if you can) Where did ms. sue go?

Answer 1

google "robot garbage collectors"

Answer 2

Ms Sue passed on and left this life.

Answer 3

Awwww, We will all miss her she was the best tutor in my opinion but your the second.