why they say a perpetum mobil its imposible what about the drinking bird?

[Sternjaeger II]

Originally Posted by raaaid

i think youre confusing friction with wearing off

the bird PRODUCES WORK from evaporation

if you placed the bird in a well of constant level it could be working for 100 years but i admit it will not make it forever

I'm not confusing anything. Friction causes wearing off.
There's a dispersion of energy,air friction, movement wear..