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2023

Новости за 12.01.2023

Milestone for light-driven electronics

Spacedaily.com 

Wurzburg, Germany (SPX) Jan 11, 2023 - An international team of scientists collaborating within the Wurzburg-Dresden Cluster of Excellence ct.qmat has achieved a breakthrough in quantum research - the first detection of excitons (electrically neutral quasiparticles) in a topological insulator. This discovery paves the way for a new generation of light-driven computer chips and quantum technologies. It was enabled thanks to smart material design in Wurzburg, the birthplace of topological insulators. Читать дальше...

NASA's retired Compton mission reveals superheavy neutron stars

Spacedaily.com 

Greenbelt MD (SPX) Jan 11, 2023 - Astronomers studying archival observations of powerful explosions called short gamma-ray bursts (GRBs) have detected light patterns indicating the brief existence of a superheavy neutron star shortly before it collapsed into a black hole. This fleeting, massive object likely formed from the collision of two neutron stars.

"We looked for these signals in 700 short GRBs detected with NASA's Neil Gehrels Swift Observatory, Fermi Gamma-ray Space Telescope, and the... Читать дальше...

The enduring stellar lifecycle in 30 Doradus

Spacedaily.com 

Huntsville AL (SPX) Jan 11, 2023 - The largest and brightest region of star formation in the Local Group of galaxies, including the Milky Way, is called 30 Doradus (or, informally, the Tarantula Nebula). Located in the Large Magellanic Cloud, a small neighbor galaxy to the Milky Way, 30 Doradus has long been studied by astronomers who want to better understand how stars like the Sun are born and evolve.

NASA's Chandra X-ray Observatory has frequently looked at 30 Doradus over the lifetime of the mission, often under the direction of Dr. Читать дальше...

New Webb image reveals dusty disk like never seen before

Spacedaily.com 

Baltimore MD (SPX) Jan 12, 2023 - NASA's James Webb Space Telescope has imaged the inner workings of a dusty disk surrounding a nearby red dwarf star. These observations represent the first time the previously known disk has been imaged at these infrared wavelengths of light. They also provide clues to the composition of the disk.

The star system in question, AU Microscopii or AU Mic, is located 32 light-years away in the southern constellation Microscopium. It's approximately 23 million years old... Читать дальше...

NASA missions find 'jetlets' could power the solar wind

Spacedaily.com 

Greenbelt MD (SPX) Jan 11, 2023 - Scientists with NASA's Parker Solar Probe mission have uncovered significant new clues about the origins of the solar wind - a continual stream of charged particles released from the Sun that fills the solar system.

Observations from multiple space and ground-based observatories show the solar wind could be largely fueled by small-scale jets, or "jetlets," at the base of the corona - the Sun's upper atmosphere. This finding is helping scientists better understand... Читать дальше...

Unpacking the "black box" to build better AI models

Spacedaily.com 

Boston MA (SPX) Jan 09, 2023 - When deep learning models are deployed in the real world, perhaps to detect financial fraud from credit card activity or identify cancer in medical images, they are often able to outperform humans.

But what exactly are these deep learning models learning? Does a model trained to spot skin cancer in clinical images, for example, actually learn the colors and textures of cancerous tissue, or is it flagging some other features or patterns?

Читать дальше...



UK space launch: Premature shutdown behind Cornwall rocket launch failure - BBC

Top Stories (uk) - Google News (ru) 

  1. UK space launch: Premature shutdown behind Cornwall rocket launch failure  BBC
  2. You might call it a failure to launch – I call it one small step closer to making British space history  The Guardian
  3. Space firms are rocketing. Now the challenge is to boldly go into profit  The Times
  4. Rocket crash investigation into why Alton satellites splashed down | farnhamherald.com  Farnham Herald
  5. UK officials to oversee investigation into Virgin Orbit mission failure  Bridport... Читать дальше...

Researchers devise a new way to control '3D' effects in chemical reactions

Phys.org 

Researchers have observed steric effects—the interactions of molecules depending on their spatial orientation (not just between their electrons involved in bonding)—in a chemical reaction involving non-polar molecules for the first time. The breakthrough opens the door to an entirely new way to control the products of chemical reactions.

RIP: Programmer 'Euthanizes' His $1,000 AI VTuber 'Waifu'

Kotaku.com 

You’ve met an AI YouTuber who plays Minecraft and denies the Holocaust. Now meet a fully responsive AI girlfriend who can converse with its user. Except it’s too late to meet her, because its creator recently “euthanized” her for being a detriment to his health. ChatGPT-Chan didn’t even last a month before her creator…

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Melbourne recruit to create club history in debut match News

BigNewsNetwork.com (sports) 

Storm recruit, Joe Chan is set for a historic NRL debut, with the opportunity to become the first Melbourne player to represent the same club as his father. Joe's father, Alex Chan played in the Storm's back row on 32 occasions between 2004 - 2005, helping Craig Bellamy's squad lay the foundations for what would []

3 REITs to Sell FAST as Bed Bath & Beyond Heads for Bankruptcy

InvestorPlace 

InvestorPlace - Stock Market News, Stock Advice & Trading Tips

Bed Bath & Beyond is facing potential bankruptcy and about to close more stores. Here are the top REITs to sell to avoid further losses.

The post 3 REITs to Sell FAST as Bed Bath & Beyond Heads for Bankruptcy appeared first on InvestorPlace.

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