nuclear accident. when we go, we bring robots and people that we tested and practiced with and in training exercises. one of the biggest challenges to doing work and rescue robotics is not the robotics. it is the everything else. you are going to a different world. it's really challenging to be at a disaster. there is a physiological and psychological impact of that. it takes quite a toll. you have to be really good at what you are doing. but my job is so incredibly fulfilling. it is about the sicience and technology and how it can be used for societal good. that is a big deal to me. [music playing] (vo) from day one,