A black hole rings nonlinearly: new gravitational overtones heard ⚡ экспресс
Original: "A nonlinear voice from GW250114 ringdown"
Spacetime after black hole mergers rings more intricately: nonlinear gravitational wave overtones discovered.
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When black holes merge, spacetime quivers like a bell. But new analysis shows: the quiver is not simple—it hides notes born from the friction of the vibrations themselves. This discovery promises a way to peer into the very heart of curved gravity.
🎯 Each pair of black holes leaves a unique 'ring'; nonlinear overtones will not only let us weigh them but also determine which stars they were born from.
🎬 In Carl Sagan's novel 'Contact', a signal from space turned out to be a message from another civilization; today we are learning to listen to the voice of gravity itself.