Lab Experiment Validates Penrose Process for Extracting Black Hole Energy

Researchers have demonstrated in a laboratory setting a theoretical mechanism first proposed by Sir Roger Penrose for extracting energy from rotating black holes, confirming predictions made over half a century ago.

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More than half a century ago, Sir Roger Penrose proposed that energy could be extracted from a spinning black hole by exploiting its ergosphere—a region where spacetime is dragged along with the rotation. Building on this, physicist Yakov Zel'dovich predicted that waves interacting with a sufficiently fast rotating object could be amplified, drawing energy from the rotation. Now, a team has realized this effect in a laboratory experiment, using synthetic rotation to amplify waves and confirm the theoretical framework. The work provides the first experimental validation of the Penrose process, a cornerstone of black hole physics.