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Astronomy May 6, 2025

Alternative black hole models suggest quantum effects may erase need for singularities

Ever since general relativity pointed to the existence of black holes, the scientific community has been wary of one peculiar feature: the singularity at the center—a point, hidden behind the event horizon, where the laws ...

Quantum Physics May 5, 2025

Physicists snap the first images of 'free-range' atoms

MIT physicists have captured the first images of individual atoms freely interacting in space. The pictures reveal correlations among the "free-range" particles that until now were predicted but never directly observed. Their ...

Astronomy Apr 23, 2025

The sun's natural gravitational lensing is more powerful than you thought

Let's turn the sun into a telescope. In fact, we don't have to do any work—we just have to be in the right spot.

Optics & Photonics Apr 11, 2025

Researchers discover a new type of quantum entanglement

A study from Technion unveils a newly discovered form of quantum entanglement in the total angular momentum of photons confined in nanoscale structures. This discovery could play a key role in the future miniaturization of ...

General Physics Apr 10, 2025

Einstein's dream of a unified field theory accomplished?

During the latter part of the 20th century, string theory was put forward as a unifying theory of physics foundations. String theory has not, however, fulfilled expectations. That is why we are of the view that the scientific ...

Other Apr 5, 2025

Saturday Citations: Leaky continental plates, talking monkeys and a spectacular Einstein ring

This week, researchers reported on nine rivers and lakes in the Americas that defy hydrologic expectations. Geologists report that Earth's first crust probably had chemical features similar to today's continental crust. And ...

Astronomy Apr 3, 2025

Dark energy may not be constant—this discovery could undermine our entire model of cosmological history

The great Russian physicist and Nobel laureate Lev Landau once remarked that "cosmologists are often in error, but never in doubt." In studying the history of the universe itself, there is always a chance that we have got ...

Astronomy Apr 1, 2025

A dramatic Einstein ring seen by Webb

One of the first verified predictions of general relativity is the gravitational deflection of starlight. The effect was first observed in 1919 during a total solar eclipse. Since stars appear as points of light, the effect ...

Condensed Matter Mar 13, 2025

First observation of Bose–Einstein condensation of two-magnon bound state in spin-1 triangular lattice reported

Using the Multi-frequency High Field Electron Spin Resonance Spectrometer at the Steady-State High Magnetic Field Facility (SHMFF), researchers observed the first-ever Bose–Einstein condensation (BEC) of a two-magnon bound ...

Astronomy Mar 12, 2025

Researchers develop glass sensors for the Einstein Telescope

From 2035, the Einstein Telescope will be able to study gravitational waves with unprecedented accuracy. For the telescope, researchers from Jena have manufactured highly sensitive sensors made entirely of glass for the first ...

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