The Impossibility of Perpetual Motion Machines

The video explores the concept of perpetual motion machines, which are devices that claim to operate indefinitely without an energy source, violating the laws of thermodynamics. It categorizes these machines into three types based on the thermodynamic laws they break. Historical attempts, such as Bhaskara's wheel, are discussed, highlighting their failures due to overlooked physics. The video explains the first and second laws of thermodynamics, the Karno cycle, and the role of quantum mechanics in preventing perpetual motion. Modern proposals are debunked, and a challenge question on negative mass is presented.

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