How old were you when you frist shot a laser at someone and why did you do it? Where you scared it would go wrong?

Question: How old were you when you frist shot a laser at someone and why did you do it? Where you scared it would go wrong?
- Keywords:
  experiment,
  old,
  shot
Asked by redcherries to Tom on 26 Jun 2012.
- Tom Lister answered on 26 Jun 2012:
  
  I don’t get to fire our lasers at patients, that’s done by Drs or nurses. I have done it a few times on myself, but I had seen so many other people have their treatments that I was confident I knew what would happen.

Question: How old were you when you frist shot a laser at someone and why did you do it? Where you scared it would go wrong?