A drawing by an earthquake
‘The seismograph is made by human hand but the drawings it creates are independent of it, made by the movements of the earth.’ from The Drawing Book by Tania Kovats
1st law of thermodynamics:
In thermodynamics, the first law of thermodynamics is an expression of the more universal physical law of the conservation of energy:
“Energy can be transformed (changed from one form to another), but it can neither be created nor destroyed.”
The increase in the internal energy of a system is equal to the amount of energy added by heating the system, minus the amount lost as a result of the work done by the system on its surroundings.
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