Úplně jsem si vzpomněl na Three idiots:Professor: "What is a machine?... Define a machine."Rancho: "A machine is anything that reduces human effort"Professor: "Will you please elaborate?"Rancho: "Anything that simplifies work, or saves time, is a machine.
It's a warm day, press a button, get a blast of air The fan... A machine;
Speak to a friend miles away. The telephone... A machine!
Compute millions in seconds. The calculator... A machine!
We're surrounded by machines . From a pen's nib to a pants' zip - all machines
Up and down in a second. Up, down, up, down..."Professor: "Idiot; Anybody else?... What is the definition?"
...
Silencer: "Sir, machines are any combination of bodies so connected that their relative motions are constrained and by which means, force and motion may be transmitted and modified as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc, especially, a construction, more or less complex consisting of a combination of moving parts, or simple mechanical elements, as wheels, levers, cams etc."
