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Quantum Physics Dec 27, 2024

Numerical simulations show how the classical world might emerge from the many-worlds universes of quantum mechanics

Students learning quantum mechanics are taught the Schrodinger equation and how to solve it to obtain a wave function. But a crucial step is skipped because it has puzzled scientists since the earliest days—how does the ...

Astrobiology Nov 20, 2024

Many physicists argue the universe is fine-tuned for life. Our findings question this idea

Physicists have long grappled with the question of why the universe was able to support the evolution of intelligent life. The values of the many forces and particles, represented by some 30 so-called fundamental constants, ...

Astronomy Nov 12, 2024

A formula for life? New model calculates chances of intelligent beings in our universe and beyond

The chances of intelligent life emerging in our universe—and in any hypothetical ones beyond it—can be estimated by a new theoretical model which has echoes of the famous Drake Equation.

Astronomy Oct 24, 2024

Did the early cosmos balloon in size? A mirror universe going backwards in time may be a simpler explanation

We live in a golden age for learning about the universe. Our most powerful telescopes have revealed that the cosmos is surprisingly simple on the largest visible scales. Likewise, our most powerful "microscope," the Large ...

Astrobiology Aug 26, 2024

In the hunt for alien life, is man truly 'the measure of all things?'

Enrico Fermi's lunchtime question at wartime Los Alamos, "Where is everybody?" has been both a gift and a problem to scientists ever since. Known as "Fermi's Paradox," it simply asks, why, since life on Earth is ubiquitous ...

Paleontology & Fossils Mar 13, 2024

Newly discovered fossil of giant turtle is named after Stephen King novel character

An international research team led by Dr. Gabriel S. Ferreira from the Senckenberg Center for Human Evolution and Paleoenvironment at the University of Tübingen has described a new species of giant turtle from the late Pleistocene.

General Physics Nov 11, 2023

Many physicists assume we must live in a multiverse—but their basic math may be wrong

One of the most startling scientific discoveries of recent decades is that physics appears to be fine-tuned for life. This means that for life to be possible, certain numbers in physics had to fall within a certain, very ...

General Physics May 28, 2023

Stephen Hawking's last collaborator on physicist's final theory

When Thomas Hertog was first summoned to Stephen Hawking's office in the late 1990s, there was an instant connection between the young Belgian researcher and the legendary British theoretical physicist.

Astronomy May 10, 2023

Stephen Hawking and I created his final theory of the cosmos—here's what it reveals about the origins of time and life

The late physicist Stephen Hawking first asked me to work with him to develop "a new quantum theory of the Big Bang" in 1998. What started out as a doctoral project evolved over some 20 years into an intense collaboration ...

General Physics Mar 23, 2023

The multiverse: How we're tackling the challenges facing the theory

The idea of a multiverse consisting of "parallel universes" is a popular science fiction trope, recently explored in the Oscar-winning movie "Everything Everywhere All At Once." However, it is within the realm of scientific ...

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