Tag

Detection Methods

All articles tagged with #detection methods

science20 days ago•35 min saved

Tiny plastics in bottled water exceed prior estimates, study finds

A peer‑reviewed study in Science of the Total Environment found bottled water contains higher concentrations of microplastics and nanoplastics than treated tap water, with nanoplastics making up more than 50% of detected particles. Using advanced techniques like scanning electron microscopy and optical photothermal infrared spectroscopy, researchers warn that nanoplastics can cross cellular barriers and potentially reach organs, underscoring the need for better detection and consideration of alternatives to bottled water (e.g., filtered tap water or reusable bottles).

via Yahoo|

#bottled-water #detection-methods #microplastics

science1 month ago•45 min saved

Doubts Grow Over Microplastics in the Human Body

Researchers are questioning how microplastics are detected in human tissues, pointing to contamination and lack of validation in key studies. An International Science Council review catalogs about 7,000 studies on the topic; meanwhile new detection methods from the Medical University of Vienna aim to improve accuracy, though broad consensus may take years. While some scientists defend findings, experts urge cautious interpretation and measured policymaking to avoid alarm.

via Ground News|

#contamination #detection-methods #international-science-council

science1 month ago•69 min saved

Microplastics: new scrutiny shakes up claims of rampant health risks

A wave of critique questions whether microplastics pose the health risks often reported. A Nature Medicine letter argues detection methods are flawed and that fats in the body could cause false positives, while other researchers point to contamination and methodological gaps in many studies. Although some experts still warn microplastics can enter the body and be biologically active, there is no consensus on harm; advances like new imaging techniques aim to reduce contamination and better link plastics to disease, but it may take years to standardise methods and reach firm conclusions.

via The Telegraph|

#detection-methods #environmental-impact #health-risks

science7 months ago•3 min saved

Innovative Methods Boost Dark Matter Detection Prospects

Researchers at Texas A&M have proposed a novel method for directly detecting dark matter by utilizing internal pair production, which involves the emission of lepton pairs during dark matter interactions, potentially enhancing detection capabilities in neutrino and astrophysical experiments.

via Phys.org|

#dark-matter #detection-methods #internal-pair-production

science-and-technology2 years ago•3 min saved

Unveiling Dark Matter: New Methods and Clues

Scientists at the JEDI collaboration are developing new methods to detect dark matter, a mysterious substance that makes up about 80% of the universe's matter. Using advanced particle accelerator techniques, they are focusing on axions and axion-like particles. By utilizing polarized beams in the Jülich particle accelerator COSY, the researchers aim to detect the influence of a background field of axions on the spins of particles. While conclusive evidence remains elusive, the experiment has narrowed down possible interaction effects and established a promising new method in the search for dark matter.

via SciTechDaily|

#axions #dark-matter #detection-methods

gaming2 years ago•1 min saved

Call of Duty's Ingenious Tactics to Combat Cheaters

Activision's Ricochet anti-cheat system in Call of Duty: Modern Warfare II is deploying "hallucinations," which are decoy characters visible only to suspected or confirmed cheaters. These lifelike clones of real players emit the same data as genuine characters, forcing cheaters to self-identify and slowing them down. Another mitigation called quicksand, which slowed or froze cheaters' movement, has been shelved due to its impact on legitimate gamers. Activision also reported a 59% drop in the use of third-party hardware devices providing unfair advantages, thanks to a newly deployed detection method.

via TechSpot|

#anti-cheat-system #call-of-duty #cheaters

astronomy2 years ago•8 min saved

The Catastrophic Reality of Super-Earth Planets

The idea of "super-Earth" exoplanets being more habitable than Earth is a myth, as most of these planets are actually mini-Neptunes or stripped planetary cores with thick atmospheres that make them inhospitable to life. The lack of small exoplanets is due to detection sensitivity, and the two primary methods for finding exoplanets are not optimized for finding Earth-sized or smaller worlds. The majority of exoplanets are Neptune-like, possessing large, volatile gas envelopes, and the prospects for habitability are dim. The rocky super-Earths that do exist are likely hot and close to their stars, making them more like Mercury than Earth.

via Big Think|

#astronomy #detection-methods #exoplanets