Rolf Landauer and the Landauer Principle
On February 4, 1927, German-American physicist Rolf William Landauer was born. Landauer made important contributions in diverse areas of the thermodynamics of information processing, condensed matter physics, and the conductivity of disordered media. He is probably best known for the formulation of the eponymous Landauer Principle concerning the energy used during a computer‘s operation. “We shall call a device logically irreversible if the output of a device does not uniquely define the…
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