how powerful is the light and how long does it take to destroy things

Question: how powerful is the light and how long does it take to destroy things
- Keywords:
  laser,
  physics
Asked by 496nenp52 to Mossy on 9 Nov 2018.
- Mossy answered on 9 Nov 2018:
  
  Lasers come in all shapes and sizes. The lasers I use are called Peta-Watt lasers and they can cut through a metal bar in seconds. But even small lasers are powerful – take a look at this…
  
  Great question.

Question: how powerful is the light and how long does it take to destroy things