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BWC: Man fires shots at Mo. police inside Walgreens before fatal OIS

St. Louis County officers responded to a 911 call from the suspect, who later shot at police and was found to have left a suicide note at home

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Md. appeals court upholds most of state’s ‘restricted areas’ firearms ban after NRA challenge

The legislation prohibits carrying firearms in areas such as government buildings, schools and health care facilities; law enforcement, security personnel and active-duty military are exempt

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Radio telescopes on the moon could let us observe dozens of black hole shadows

We now have direct images of two supermassive black holes: M87* and Sag A*. The fact that we can capture such images is remarkable, but they might be the only black holes we can observe. That is, unless we take radio astronomy to a whole new level.

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Massive black hole mystery unlocked by researchers

It’s one of astronomy’s great mysteries: how did black holes get so big, so massive, so quickly. An answer to this cosmic conundrum has now been provided by researchers at Ireland’s Maynooth University (MU) and reported today in Nature Astronomy.

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Unified framework sorts spacetime fluctuations for quantum-gravity experiments

A team of researchers led by the University of Warwick has developed the first unified framework for detecting “spacetime fluctuations”—tiny, random distortions in the fabric of spacetime that appear in many attempts to unite quantum physics and gravity.

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Metal clumps in a quantum state: Physicists place thousands of sodium atoms in a ‘Schrödinger’s cat state’

Can a small lump of metal be in a quantum state that extends over distant locations? A research team at the University of Vienna answers this question with a resounding yes. In the journal Nature, physicists from the University of Vienna and the University of Duisburg-Essen show that even massive nanoparticles consisting of thousands of sodium atoms follow the rules of quantum mechanics. The experiment is currently one of the best tests of quantum mechanics on a macroscopic scale.

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Studying massive and mysterious young protostars with Hubble

Baby pictures are some of a family’s most cherished artifacts. The same thing can be said of the Hubble Space Telescope and the infant stars it immortalizes in its scientific portraits. But while we know how babies are conceived and how they form in great detail, the same can’t be said for star formation.

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Legs made for a Mars landing 

To land on the right foot on the Red Planet, European engineers have been dropping a skeleton of the four-legged ExoMars descent module at various speeds and heights on simulated Martian surfaces.

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Astronomers discover a companion cluster to Czernik 38

Astronomers from the National Research Institute of Astronomy and Geophysics (NRIAG) in Cairo, Egypt, have investigated a young open cluster known as Czernik 38. As a result, they found a new open cluster, which turns out to be a companion to Czernik 38. The discovery was detailed in a paper published Jan. 14 on the arXiv pre-print server.

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Enceladus plumes may hold a clear clue to ocean habitability

How can scientists estimate the pH level of Enceladus’ subsurface ocean without landing on its surface? This is what a study recently posted to the arXiv preprint server hopes to address as a team of scientists from Japan investigated new methods for sampling the plumes of Enceladus and have provided more accurate measurements of its pH levels. This study has the potential to help scientists better understand the subsurface ocean conditions on Enceladus and whether it’s suitable for life as we know it.

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Oldest astronaut Buzz Aldrin turns 96 as new moon astronauts share Apollo inspirations

Buzz Aldrin, the second man and only one of 12 to ever walk on the moon, turns 96 today. He’s just one of four living moonwalkers and the oldest remaining astronaut still making trips around the sun.

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Chiral phonons create orbital current via their own magnetism

In a new study, an international group of researchers has found that chiral phonons can create orbital current without needing magnetic elements—in part because chiral phonons have their own magnetic moments. Additionally, this effect can be achieved in common crystal materials. The work has potential for the development of less expensive, energy-efficient orbitronic devices for use in a wide array of electronics.

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EAST achieves new plasma confinement regime using small 3D magnetic perturbations

A research group has achieved a new plasma confinement regime using small 3D magnetic perturbations that simultaneously suppress edge instabilities and enhance core plasma confinement in the Experimental Advanced Superconducting Tokamak (EAST). The research results are published in PRX Energy.

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Velocity gradients prove key to explaining large-scale magnetic field structure

All celestial bodies—planets, suns, even entire galaxies—produce magnetic fields, affecting such cosmic processes as the solar wind, high-energy particle transport, and galaxy formation. Small-scale magnetic fields are generally turbulent and chaotic, yet large-scale fields are organized, a phenomenon that plasma astrophysicists have tried explaining for decades, unsuccessfully.

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Too much entanglement? Quantum networks can suffer from ‘selfish routing,’ study shows

Quantum technologies, systems that process, transfer or store information leveraging quantum mechanical effects, could tackle some real-world problems faster and more effectively than their classical counterparts. In recent years, some engineers have been focusing their efforts on the development of quantum communication systems, which could eventually enable the creation of a “quantum internet” (i.e., an equivalent of the internet in which information is shared via quantum physical effects).

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