What is the hardest object the lazer can break?

Question: What is the hardest object the lazer can break?
- Keywords:
  hardest,
  laser,
  object
Asked by 695ghtg39 to Stephen on 17 Nov 2016.
- Stephen Davitt answered on 17 Nov 2016:
  
  So far I haven’t found anything it can’t break but I’d like to try titanium and a nokia 3310 to really test it haha

Question: What is the hardest object the lazer can break?