After 50 years, Stephen Hawking was 100% right.

Scientists had the perfect opportunity to test classic physics theories from previous decades.

In 2025, a network of highly sensitive gravitational wave detectors detected a powerful pulsation in the fabric of spacetime, designated GW250114.

This is the result of the largest collision ever recorded between two black holes. This event yielded the clearest and least noisy data ever. As a result, scientists now have a perfect "laboratory" to test classic physics theories from decades ago.

Most notably, researchers used data from the GW250114 event to verify the famous theorem of the brilliant physicist Stephen Hawking, which he proposed more than 50 years ago.

The theorem states that the event horizon area of ​​a newly merged black hole – that is, the boundary region from which light cannot escape – will never be smaller than the sum of the event horizon areas of the two original black holes.

Analysis of data from this historic collision has proven Stephen Hawking's prediction to be almost 100% accurate. This is a significant milestone demonstrating his timeless vision of black holes.

Besides confirming Hawking's theory, this super-explosion also helped experts at Cornell University (USA) take another step forward in testing Albert Einstein's general theory of relativity.

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According to Einstein's equations, when two black holes are about to merge, they will spin around each other at increasing speeds. Then, they will collide, releasing a massive amount of energy. Finally, the newly formed black hole will oscillate at characteristic frequencies, similar to the ringing of a bell after being struck.

In previous events, these oscillation frequencies, also known as post-merger attenuation modes, were often too weak for machines to detect the complex structure that Einstein predicted. However, the sound from this GW250114 event was loud enough for scientists to accurately measure it.

When simulating the equations and comparing the results with the actual measured frequencies, the results matched remarkably. International experts once again had to acknowledge that Einstein was still right and that all gravitational phenomena in the universe are operating precisely according to his descriptions.

However, due to the technological limitations of current detector systems, scientists cannot yet completely rule out the possibility of errors compared to Einstein's theory. If this error gradually decreases to 0%, the theory of relativity will achieve absolute perfection.

Conversely, if the error remains fixed at a non-zero level, it would mark the beginning of a new chapter in modern physics, revealing entirely new laws of the universe previously unknown to humankind.

Khanh Linh

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According to New Scientist

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