Laws of Thermodynamics

How is this 'Dark Humour' ?

I can’t see holdup, I might need to turn down the brightness on my phone.

Haha, that’s funny ..

That’s unless a pin hole through a coin not count as a mark.

You know the germans had a name for all this

And his name is not Nicolas Léonard Sadi Carnot

Fair Enough ! :~)