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Optics & Photonics Jan 18, 2023

Light-based tech could inspire moon navigation and next-gen farming

Super-thin chips made from lithium niobate are set to overtake silicon chips in light-based technologies, according to world-leading scientists in the field, with potential applications ranging from remote ripening-fruit ...

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.

Superconductivity Jan 17, 2023

Researchers gain deeper understanding of mechanism behind superconductors

Physicists at Leipzig University have once again gained a deeper understanding of the mechanism behind superconductors. This brings the research group led by Professor Jürgen Haase one step closer to their goal of developing ...

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.

Astronomy Jan 4, 2023

Are black holes time machines? Yes, but there's a catch

Black holes form natural time machines that allow travel to both the past and the future. But don't expect to be heading back to visit the dinosaurs any time soon.

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, ...

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, ...

Other Nov 23, 2022

Chinese writing: From complexity to greater complexity

The world's major writing systems have tended to simplify over time, with a notable exception: New research shows that the Chinese writing system has become increasingly complex over the course of its 3000-year history.

General Physics Nov 22, 2022

How to test whether we're living in a computer simulation

Physicists have long struggled to explain why the universe started out with conditions suitable for life to evolve. Why do the physical laws and constants take the very specific values that allow stars, planets and ultimately ...

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