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Other Jan 24, 2023

'Doomsday Clock' moves closest ever to midnight

Top scientists and security experts moved the "Doomsday Clock" forward on Tuesday to just 90 seconds to midnight -– signaling an increased risk to humanity's survival from the nuclear shadow over the Ukraine conflict and ...

Other Jan 24, 2023

Doomsday Clock to be updated against backdrop of Ukraine war

The "Doomsday Clock," which represents the judgment of leading science and security experts about the perils to human existence, is to be updated on Tuesday against the backdrop of the war in Ukraine and other crises.

General Physics Jan 20, 2023

Statistical physics theorem also valid in the quantum world, study finds

Physicists at the University of Bonn have experimentally proven that an important theorem of statistical physics applies to so-called "Bose-Einstein condensates." Their results now make it possible to measure certain properties ...

General Physics Jan 20, 2023

Ripples in fabric of universe may reveal start of time

Scientists have advanced in discovering how to use ripples in space-time known as gravitational waves to peer back to the beginning of everything we know. The researchers say they can better understand the state of the cosmos ...

Other Jan 17, 2023

Doomsday Clock to be updated on January 24

Tick, tick, tick. An update is coming to the "Doomsday Clock," representing the judgment of leading science and security experts about the perils to human existence.

General Physics Jan 12, 2023

How a rotating universe makes time travel possible

It turns out that time travel into the past is actually relatively easy. All you need to do is make the universe rotate.

General Physics Dec 22, 2022

Three time dimensions, one space dimension: Relativity of superluminal observers in 1+3 spacetime

How would our world be viewed by observers moving faster than light in a vacuum? Such a picture would be clearly different from what we encounter every day. "We should expect to see not only phenomena that happen spontaneously, ...

Soft Matter Dec 12, 2022

A peculiar protected structure links Viking knots with quantum vortices

Scientists have shown how three vortices can be linked in a way that prevents them from being dismantled. The structure of the links resembles a pattern used by Vikings and other ancient cultures, although this study focused ...

General Physics Nov 30, 2022

Physicists observe wormhole dynamics using a quantum computer

Scientists have, for the first time, developed a quantum experiment that allows them to study the dynamics, or behavior, of a special kind of theoretical wormhole. The experiment has not created an actual wormhole (a rupture ...

Quantum Physics Nov 23, 2022

Spin correlation between paired electrons demonstrated

Physicists at the University of Basel have experimentally demonstrated for the first time that there is a negative correlation between the two spins of an entangled pair of electrons from a superconductor. For their study, ...

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