Mysterious Black Holes


Video Series: »Decoded«

What exactly is a virus? How do machines learn? And what happens in a black hole? In the video series of »Scientific American« and »Spectrum der Wissenschaft« we decode fundamental questions from research and science.

See the English-language version at “Scientific American”.

Stephen Hawking predicted that black holes randomly emit particles around them. As a result, they slowly evaporate until they are gone billions of years later. But what happens to the objects that ever got into them? Does the emitted Hawking radiation contain quantum information? Or are the objects transported to another universe?

Two disciplines are looking for answers: Astronomy investigates whether black holes contain information about the origin of the universe. And in quantum mechanics, information can never be lost.

New technologies are making black holes more and more visible: researchers measure gravitational waves from colliding black holes, take pictures of them in distant galaxies, and study the stars near them. These discoveries help to understand what lies beyond the event horizon. And they challenge us to continue researching how our world works.



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