119
The most powerful laser in the US recently produced 2 quadrillion watts of power
(news.engin.umich.edu)
this post was submitted on 20 May 2025
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You multiply seconds with seconds per hour and somehow get "per hour" as the final result? But even ignoring that error, what is W/h supposed to be? Rate of change of power?
Also, it is a small k for kilo and you don't write it as 4.310^18^[unit]. Just 4.310^18 [unit]. Or 4.3E18 [unit].
Crap, you are right, units should be in Wh not W/h and as a result I put the conversion to hours backwards. Well, that turns the whole thing from an impressive amount of energy to basically none!