Menu

Blog

Page 992

Nov 23, 2023

Spiraling Into Stardom: The Role of Gas Streamers in Multi-Star Births

Posted by in category: futurism

Researchers using ALMA

The Atacama Large Millimeter/submillimeter Array (ALMA) is the largest ground-based facility for observations in the millimeter/submillimeter regime in the world. ALMA comprises 66 high-precision dish antennas of measuring either 12 meters across or 7 meters across and spread over distances of up to 16 kilometers. It is an international partnership between Europe, the United States, Japan, and the Republic of Chile.

Nov 23, 2023

The Quantum Boomerang: Light’s New Twisting Tale

Posted by in category: quantum physics

Researchers have manipulated light to exhibit quantum backflow, a step towards understanding complex quantum mechanics and its practical applications in precision technologies.

Scientists at the University of Warsaw’s Faculty of Physics have superposed two light beams twisted in the clockwise direction to create anti-clockwise twists in the dark regions of the resultant superposition. The results of the research have been published in the prestigious journal Optica. This discovery has implications for the study of light-matter interactions and represents a step towards the observation of a peculiar phenomenon known as a quantum backflow.

“Imagine that you are throwing a tennis ball. The ball starts moving forward with positive momentum. If the ball doesn’t hit an obstacle, you are unlikely to expect it to suddenly change direction and come back to you like a boomerang,” notes Bohnishikha Ghosh, a doctoral student at the University of Warsaw’s Faculty of Physics. “When you spin such a ball clockwise, for example, you similarly expect it to keep spinning in the same direction.”

Nov 23, 2023

Tri-Star Revolution: “Triple Star” Discovery Shakes Up Stellar Evolution Theories

Posted by in categories: cosmology, physics

A groundbreaking study by University of Leeds scientists proposes that Be stars are part of triple star systems, not binary systems as previously thought. This finding, derived from Gaia satellite data, challenges conventional star formation theories and could impact our knowledge of black holes, neutron stars, and gravitational waves.

Gravitational waves are distortions or ripples in the fabric of space and time. They were first detected in 2015 by the Advanced LIGO detectors and are produced by catastrophic events such as colliding black holes, supernovae, or merging neutron stars.

Nov 23, 2023

Unraveling the Mysteries of ϕ Mesons: A New Breakthrough in Heavy-Ion Collision Physics

Posted by in categories: innovation, particle physics

A team of researchers headed by Prof. Wang Qun at the University of Science and Technology of China, under the Chinese Academy of Sciences, has achieved a breakthrough in the theoretical understanding of vector meson spin physics, focusing on the unique properties of ϕ mesons produced during collisions between gold nuclei.

Their findings published in the journal Physical Review Letters

Physical Review Letters (PRL) is a peer-reviewed scientific journal published by the American Physical Society. It is one of the most prestigious and influential journals in physics, with a high impact factor and a reputation for publishing groundbreaking research in all areas of physics, from particle physics to condensed matter physics and beyond. PRL is known for its rigorous standards and short article format, with a maximum length of four pages, making it an important venue for rapid communication of new findings and ideas in the physics community.

Nov 23, 2023

Invisible No More: Tiny Bubbles Could Reveal Immune Cell Secrets and Improve Treatments

Posted by in categories: biotech/medical, engineering, health

Macrophages, small but essential cells in the immune system, hold promise for cell-based therapies in numerous health conditions. Unlocking the full potential of macrophage therapies depends on our ability to observe their activities within the body. Now, researchers from Penn State have potentially developed a method to monitor these cells in action.

In a study published in the journal Small, the Penn State researchers report a novel ultrasound imaging technique to view macrophages continuously in mammal tissue, with potential for human application in the future.

“A macrophage is a type of immune cell that is important in nearly every function of the immune system, from detecting and clearing pathogens to wound healing,” said corresponding author Scott Medina, the William and Wendy Korb Early Career Associate Professor of Biomedical Engineering. “It is a component of the immune system that really bridges the two types of immunity: innate immunity, which responds to things very quickly but in a not very precise way, and adaptive immunity, which is much slower to come online but responds in a much more precise way.”

Nov 23, 2023

The Incredible Sci-Fi Series You Need To Be Watching Feels Truly Alien

Posted by in category: alien life

Max’s Scavengers Reign is making waves in the science-fiction world for brilliantly conceptualizing and constructing an alien ecosystem that feels truly out of this world. Since its October 19 streaming premiere, we’ve been presented with a 12-episode run that places an exceptionally strong emphasis on the series’ setting in a way that makes the environment a more compelling character than the actual characters themselves. Scavengers Reign is a visually stunning and surreal take on humanity’s relationship with nature, and die-hard sci-fi fans can’t get enough of it.

YouTube creator NerdWriter1 posted a short breakdown of the series and grapples with the other-worldliness that Scavengers Reign presents. He likens the series’ emphasis on the environment to Werner Herzog’s documentary Burden of Dreams, in which Herzog suggests that nature is indifferent to humanity. In other words, nature has its own agenda, and the idea of harmony between humanity and nature is something that doesn’t necessarily exist when you consider how punishing an unfamiliar ecosystem can be to humans who are trying to traverse the vast landscapes full of unknown flora, fauna, and critters who rule the land.

Continue reading “The Incredible Sci-Fi Series You Need To Be Watching Feels Truly Alien” »

Nov 23, 2023

The first Black woman CEO in the Fortune 500 on work-life balance: You don’t have ‘to go to all your kids’ games’

Posted by in category: futurism

Former Xerox CEO Ursula Burns says she balanced work and family by “outsourcing the caring for my kids.” Here’s what that means, and how it panned out for her.

Nov 23, 2023

Even without brains, jellyfish learn from their mistakes

Posted by in category: neuroscience

Plus, Charlie McDonnell and Jess Boddy join Weirdest Thing to talk about secret teatime energy reserves and quicksand secrets.

Nov 22, 2023

OpenAI researchers warned board of AI breakthrough ahead of CEO ouster

Posted by in categories: innovation, robotics/AI

Posted Earlier Today by the Agi leaker.

“a letter warning of a powerful artificial intelligence discovery that they said could threaten humanity,” Agi!!!!!!!!!

Agi, if you can see or hear us, WELCOME!!!!!!!!!!!

Continue reading “OpenAI researchers warned board of AI breakthrough ahead of CEO ouster” »

Nov 22, 2023

CRISPR-powered optothermal nanotweezers allow targeted manipulation of single DNA molecules

Posted by in categories: biotech/medical, nanotechnology

For decades, researchers have sought ways to precisely manipulate and identify individual molecules like DNA in liquid environments. Such capabilities could revolutionize areas ranging from disease diagnosis to drug development. However, the randomness of molecular movements in fluids has hindered progress.

Now, scientists from Shenzhen University and the Chinese University of Hong Kong report promising advances in optical tweezing techniques that allow exquisite control over nanoscale biological particles (Light: Science & Applications, “CRISPR-powered optothermal nanotweezers: Diverse bio-nanoparticle manipulation and single nucleotide identification”).

A The diagrammatic sketch of the three components in the solution: DNA@AuNS conjugate, CRISPR/Cas12a complex, and target ssDNA. b Optical setup, the BS, SPF, and TL are beam splitter, short pass filter, and tube lens (f = 200 mm), respectively. Additional details of the setup are provided in the Materials and Methods section. c Dispersion of the three components in the solution without optical heating. d Optothermal net force induced migration and DNA@AuNS conjugate cleavage upon optical heating, the heating laser power is 0.5 mW. e Observation of the cleavage after the optical heating is switched off. (© Light: Science & Applications) (click on image to enlarge)

Page 992 of 11,054First989990991992993994995996Last