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Quantum Physics Feb 7, 2025

Simulating particle creation in an expanding universe using quantum computers

A new study published in Scientific Reports simulates particle creation in an expanding universe using IBM quantum computers, demonstrating the digital quantum simulation of quantum field theory for curved spacetime (QFTCS).

Soft Matter Jan 31, 2025

Superfluid spirals: Scientists control Kelvin waves for first time

In a new study published in Nature Physics, researchers have developed the first controlled method for exciting and observing Kelvin waves in superfluid helium-4.

Astronomy Jan 30, 2025

Rare and mysterious cosmic explosion: Gamma-ray burst or jetted tidal disruption event?

Highly energetic explosions in the sky are commonly attributed to gamma-ray bursts. We now understand that these bursts originate from either the merger of two neutron stars or the collapse of a massive star.

General Physics Jan 23, 2025

Clocking nature's heaviest elementary particle: CMS tests whether top quarks play by Einstein's rules

In the first study of its kind at the Large Hadron Collider (LHC), the CMS collaboration has tested whether top quarks adhere to Einstein's special theory of relativity. The research is published in the journal Physics Letters ...

Astronomy Jan 23, 2025

Einstein Probe detects puzzling cosmic explosion

On 15 March 2024, Einstein Probe's Wide-field X-ray Telescope (WXT) detected a burst of low-energy X-rays. Astronomers call such X-rays "soft," even though they are still far more energetic than visible or ultraviolet light. ...

Astronomy Jan 15, 2025

NASA celebrates Edwin Hubble's discovery of a new universe

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the Andromeda galaxy. Don't go looking for it—the flickering star is 2.2 million light-years away, and is 1/100,000th ...

Cell & Microbiology Jan 15, 2025

Model helps narrow hunt for Ebola virus hosts in bat species

Bats are widely recognized as the primary hosts of filoviruses, such as Ebola, yet the specific host species of ebolaviruses are not definitively known. In a study led by the University of California, Davis, and the Albert ...

Astronomy Jan 6, 2025

A treasure trove of unseen stars beyond the 'Dragon Arc'

Looking halfway across the observable universe and expecting to see individual stars is considered a non-starter in astronomy, a bit like raising a pair of binoculars at the moon in hopes of making out individual grains of ...

Quantum Physics Nov 28, 2024

Why did Louis de Broglie, Nobel laureate in physics, abandon his own pilot wave theory?

This week marks the centenary of the French physicist Louis de Broglie's doctoral thesis, which later earned him a Nobel prize for "his discovery of the wave nature of electrons." This discovery constitutes a central aspect ...

Astronomy Nov 25, 2024

Einstein predicted how gravity should work at the largest scales. And he was right, suggests new research

When Albert Einstein introduced his theory of general relativity in 1915, it changed the way we viewed the universe. His gravitational model showed how Newtonian gravity, which had dominated astronomy and physics for more ...

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