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Found 126 results for Carlo Rovelli

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How to destroy a black hole

16 April 2024

A black hole would be tough to destroy, but in the season two premiere of Dead Planets Society our hosts are willing to go to extremes, from faster-than-light bombs to time travel

Rethinking space and time could let us do away with dark matter

13 March 2024

Most physicists believe that only a quantum theory of gravity can fully explain mysteries of the universe like dark matter, but now an idea called "post-quantum gravity" is demonstrating an alternative approach

2F3WH8B Book of the universe - opened magic book with planets and galaxies. Elements of this image furnished by NASA

The 22 best non-fiction and popular science books of 2023

29 November 2023

From Carlo Rovelli on white holes to Fei-Fei Li on AI and Alison Pouliot on remarkable mushrooms, here is �鶹��ý's selection of the best non-fiction of the year

A white hole is a theoretical solution to Einstein's field equations - a region which cannot be entered at all from the outside. In a sense, therefore, they are the time-reversed opposites of black holes. The theory suggests that a black hole is connected to a white hole via a tunnel called an Einstein-Rosen bridge (wormhole). Matter falls into the black hole and is expelled via the white one. Some theorists even argue that the Big Bang itself is a white hole, gushing out matter and creating a new universe while, on the other end, invisible and unreachable, is a black hole in a totally different universe.

White Holes review: Extreme physics from Carlo Rovelli

25 October 2023

We all know about black holes – we've even seen a picture of one. But white holes? In his latest book, theoretical physicist Carlo Rovelli weaves a poetic spell to persuade us that these mysterious entities are real

The hunt for black holes older than the universe itself

27 March 2023

Primordial black holes older than the big bang could rewrite cosmology by providing evidence for a previous universe. It's a wild idea, but some physicists think we've got a chance of finding them

The physicist betting that space-time isn't quantum after all

13 March 2023

Most experts think we have to tweak general relativity to fit with quantum theory. Physicist Jonathan Oppenheim isn't so sure, which is why he’s made a 5000:1 bet that gravity isn’t a quantum force

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Anaximander review: Did Anaximander create science, asks Carlo Rovelli

8 March 2023

Ancient philosopher Anaximander's discoveries about rain, wind and the cosmos may make him the true force behind modern science, argues physicist Carlo Rovelli in his newly republished first book

How can we understand quantum reality if it is impossible to measure?

10 January 2023

If we can’t measure something, we can’t know its true nature. This fundamental limitation hampers our understanding of the quantum world – but it doesn't preclude scientific thinking

It may be possible to traverse a wormhole and then send a signal home

20 December 2022

When matter falls into a wormhole, the wormhole is expected to collapse – but a probe may be able to send a signal back through before it’s trapped on the other side

F6ND3J An artist's depiction of a black hole in interstellar space pulling in gas and dust that start to heat. Gamma ray bursts exit at

We may finally know how blazars act as cosmic particle accelerators

23 November 2022

Supermassive black holes that beam powerful jets of matter towards Earth, known as blazars, accelerate particles to extraordinarily high energies – and astronomers have finally figured out how