.jpeg?width=1200&auto=webp&quality=75&ssl=1 "Albert Bridge closed to pedestrians and cyclists after 'slight movement' detected")
Albert Bridge closed to pedestrians and cyclists after 'slight movement' detected
The bridge was closed to motor traffic in February after a routine inspection found that a cast iron component was cracked Source link
All posts tagged: detected
Black hole-powered blazars may explain the highest-energy neutrino ever detected
A single particle cut through the Mediterranean in February 2023 carrying an almost absurd amount of energy. Detected deep off the coast of Sicily by the KM3NeT/ARCA neutrino telescope, the neutrino clocked in at about 220 petaelectronvolts, making it the most energetic neutrino ever recorded. That one event, known as KM3-230213A, stood out immediately. Its energy was more than an order of magnitude above previously observed high-energy neutrinos, and no one could say for sure where it came from. Now, a new paper in the Journal of Cosmology and Astroparticle Physics argues that the particle may not have come from one dramatic outburst at all. Instead, it may have emerged from a wider population of blazars, active galactic nuclei powered by supermassive black holes whose jets point toward Earth. The idea does not solve the mystery outright. It does, however, offer a physically consistent explanation that fits what astronomers have seen, and what they have not. Differential luminosity for gamma-rays and neutrinos (all-flavor) as a function of the energy. The values of the baryonic loading …
Hotspots detected in Bintan, but haze from Indonesian island unlikely to reach Singapore: NEA
SINGAPORE: Several hotspots were identified in the Indonesian island of Bintan on Thursday (Jan 29) but the haze is unlikely to reach Singapore, said the National Environment Agency (NEA). “As these are downwind, any smoke haze is unlikely to have a direct impact on Singapore,” said the agency in an update on Facebook. A hotspot was also detected in Johor despite extensive cloud cover limiting satellite visibility of ground conditions. “With winds continuing to blow from the north and northeast, smoke haze may drift towards Singapore if the fires persist,” the agency said. Source link
Wait… All Those Studies May Have “Detected” Microplastics in the Human Body Because of a Severe Error
Illustration by Tag Hartman-Simkins / Futurism. Source: Getty Images A deluge of research has painted a picture of our world being drowned in tiny, inescapable microplastics. Our guilt over plastic particles being found in even the most remote regions on Earth turned into paranoia once scientists started discovering them in our own bodies, too — riddling our blood streams, organs, and even our brains, stoking a rush of scientific inquest. But now, there’s a growing contingent in the scientific community that’s casting significant doubts on these claims, The Guardian reports, criticizing the methodologies used in some of the most notable papers behind them. One study published in the journal Nature Medicine last February claimed to have documented a rise in micro and nanoplastics (MNPs) in human brain tissues by autopsying preserved cadavers of people who had died between 1997 and 2024. But in November, another group of researchers contested the findings in a letter published in the same journal, criticizing them for “limited contamination controls and lack of validation steps,” per The Guardian. “The brain …
Network of Home Computers Detected 100 Potential Alien Signals
Seti@home / Getty / Futurism For over two decades, millions of people volunteered the computational capacity of their computers to help UC Berkeley scientists in their search for extraterrestrial intelligence (SETI). The goal of the project, called SETI@home, was to trawl through data collected by the Arecibo Observatory in Puerto Rico for signs of unusual radio signals from the cosmos. It was a powerful example of “distributed computing,” which relies on a huge network of individual computers — but whether the search has borne any fruit remains unclear as scientists continue to analyze the wealth of data. SETI@home concluded after 21 years in 2020, producing a whopping 12 billion detections, according to a UC Berkeley press release, making it “one of the most popular crowd-sourced research projects ever.” Over the years, researchers whittled down the data to just 100 signals that were “worth a second look” by eliminating radio frequency interference and noise with the help of a supercomputer. Since July, they’ve been using China’s Five-hundred-meter Aperture Spherical Telescope (FAST), in the hopes of catching …
JWST detected a supernova from the dawn of the universe
An international team of astronomers, working with researchers from University College Dublin and other institutions, has detected a supernova from an era once thought far beyond reach. Using the James Webb Space Telescope, the team observed the explosive death of a massive star that occurred when the universe was only about 730 million years old. The discovery followed a powerful flash of radiation known as GRB 250314A, detected on March 14, 2025, by the SVOM satellite. That signal marked a long-duration gamma-ray burst, a type closely linked to the collapse of massive stars. Follow-up measurements from the European Southern Observatory using the Very Large Telescope confirmed the event’s extreme distance, placing it deep in the era of cosmic reionization. The results are detailed in a study published in Astronomy & Astrophysics. Together, the observations offer the clearest view yet of a single star’s death during the universe’s early growth. Luminous Fast Blue Optical Transient (Artist’s Concept) Caption: This is an artist’s concept of one of brightest explosions ever seen in space. (CREDIT: NASA, ESA, NSF’s …