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Get the free app no ads · no paywallNews · 24 August 2026
The 1969 concept entails piloting a vessel near a rotating black hole, releasing a payload, and subsequently retrieving increased energy. The trick relies on "frame dragging", where a spinning mass creates a swirling effect in spacetime around it. Spacetime acts like a fluid that gets carried along by its contents, generating these persistent swirls.
Reported by Universe Today · How we write briefs
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