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A twist in spintronics: Chiral magnetic nanohelices control spins at room temperature

Spintronics, or spin-electronics, is a revolutionary approach to information processing that utilizes the intrinsic angular momentum (spin) of electrons, rather than solely relying on electric charge flow. This technology promises faster, more energy-efficient data storage and logic devices. A central challenge in fully realizing spintronics has been the development of materials that can precisely control electron spin direction.

In a new development for spin-nanotechnology, researchers led by Professor Young Keun Kim of Korea University and Professor Ki Tae Nam of Seoul National University have successfully created magnetic nanohelices that can control electron spin.

This technology, which utilizes chiral magnetic materials to regulate electron spin at room temperature, has been published in Science.

UCLA Engineers Build Room-Temperature Quantum-Inspired Computer

Experimental device harnesses quantum properties for efficient processing at room temperature. Engineers are working to design computers capable of handling a difficult class of tasks known as combinatorial optimization problems. These challenges are central to many everyday applications, includi

Caltech Physicists Discover “Double Helix,” a New Equilibrium State of Cosmic Plasma

Caltech experiments uncovered a stable double helix state in plasma flux ropes. The same principles explain cosmic structures such as the Double Helix Nebula. Research into the Sun’s outer atmosphere has led Caltech applied physics professor Paul Bellan and his former graduate student Yang Zhang

If Aliens Are Looking for Us, This Is How They’d Find Us

A new study of human deep space communications identifies the regions of space where signals from extraterrestrial intelligence are most likely to be detected. If an extraterrestrial civilization were trying to detect human signals, where and when would they be most likely to find them? A recent

“Alien Aurora” — Scientists Spot Never-Before-Seen Plasma Waves in Jupiter’s Polar Lights

Research offers new insights into protecting Earth from harmful solar radiation. A team at the University of Minnesota Twin Cities has identified and studied a previously unknown type of plasma wave within Jupiter’s aurora. The discovery provides new insight into auroral activity on other planets

41,000 Years Ago, Something Weird in Space Changed How Humans Lived on Earth

Weak magnetic fields once exposed humans to radiation. People adapted with shelter, clothing, and mineral protection. Our first meeting was a bit awkward. One of us is an archaeologist who studies how past peoples interacted with their environments. Two of us are geophysicists who investigate int

GhostRedirector Hacks 65 Windows Servers Using Rungan Backdoor and Gamshen IIS Module

Cybersecurity researchers have lifted the lid on a previously undocumented threat cluster dubbed GhostRedirector that has managed to compromise at least 65 Windows servers primarily located in Brazil, Thailand, and Vietnam.

The attacks, per Slovak cybersecurity company ESET, led to the deployment of a passive C++ backdoor called Rungan and a native Internet Information Services (IIS) module codenamed Gamshen. The threat actor is believed to be active since at least August 2024.

“While Rungan has the capability of executing commands on a compromised server, the purpose of Gamshen is to provide SEO fraud as-a-service, i.e., to manipulate search engine results, boosting the page ranking of a configured target website,” ESET researcher Fernando Tavella said in a report shared with The Hacker News.

Cybercriminals Exploit X’s Grok AI to Bypass Ad Protections and Spread Malware to Millions

Cybersecurity researchers have flagged a new technique that cybercriminals have adopted to bypass social media platform X’s malvertising protections and propagate malicious links using its artificial intelligence (AI) assistant Grok.

The findings were highlighted by Nati Tal, head of Guardio Labs, in a series of posts on X. The technique has been codenamed Grokking.

The approach is designed to get around restrictions imposed by X in Promoted Ads that allow users to only include text, images, or videos, and subsequently amplify them to a broader audience, attracting hundreds of thousands of impressions through paid promotion.

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