Category: 7. Science

Muddy eruption at Yellowstone’s Black Diamond Pool captured on video

“Kablooey!”

That’s the word U.S. Geological Survey volcanic experts used to describe a muddy eruption at Black Diamond Pool in Yellowstone National Park on Saturday morning.

Video shared by the USGS on social media shows mud…

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December 21, 2025
Conveyor belt speed detection via the synergistic fusion of optical flow and feature matching
Xu, R. Zhangqi. Research on the Speed Measurement Method of Incremental Optical Encoder Based on Kalman Filter (University of Science and Technology of China, 2018).
Wang, H. Design of the speed regulation system of belt conveyor based on fuzzy…

Scientists Confirm the Incredible Existence of ‘Second Sound’

Here’s what you’ll learn when you read this story:

Usually, when something gets warmed up, heat tends to spread outward before eventually dissipating. But things are a little different in the world of superfluid quantum gas.
For the first time,…

Archaeologists Excavated the Tower of London—and Unearthed Dozens of Hidden Skeletons

“Hearst Magazines and Yahoo may earn commission or revenue on some items through these links.”

Here’s what you’ll learn when you read this story:

The first excavation at the famed Tower of London in a generation uncovered more than 20 skeletal…

Comet 3I/ ATLAS nearest approach to Earth: See fresh photos of the interstellar visitor as it came closest to the planet |

Interstellar comet 3I/ATLAS, the third confirmed visitor from beyond our solar system, recently made its closest pass to Earth on December 19, 2025. Discovered in July 2025, its composition suggests a frigid, ancient birthplace. NASA’s Parker…

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December 21, 2025

Ursid meteor shower 2025 peaks tonight: Here’s what to expect from the yuletide light show

Don’t miss the Ursid meteor shower peak tonight, heralding the last major shooting star display of 2025 as Earth plows through the debris trail shed by comet 8P/Tuttle.

The Ursid meteor shower is active during a relatively short window from Dec….

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December 21, 2025

Living plants and animals emit a faint glow that fades after death

Living organisms quietly emit light. This glow is real, measurable, and tied to life itself. Researchers at the University of Calgary and the National Research Council of Canada have now shown that this ultraweak light fades sharply after death,…

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December 21, 2025

Engineering the First Reusable Launchpads on the Moon

Engineers need good data to build lasting things. Even the designers of the Great Pyramids knew the limestone they used to build these massive structures would be steady when stacked on top of one another, even if they didn’t have…

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December 21, 2025

Research Reveals the Optimal Way to Optimize

The original version of this story appeared in Quanta Magazine.

In 1939, upon arriving late to his statistics course at UC Berkeley, George Dantzig—a first-year graduate student—copied two problems off the blackboard, thinking they were a…

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December 21, 2025

Most popular articles 2025: 20 & 19

Most popular articles 2025: 20 & 19 – Triathlon Today

</div> <p></p> <h2><a href="https://tri-today.com/2025/12/most-popular-articles-2025-20-19/">Continue Reading</h2> <p></a></p> </div> <div style="margin-top:var(--wp--preset--spacing--40);" class="wp-block-post-date has-small-font-size"><time datetime="2025-12-21T11:46:00+00:00"><a href="https://afnnews.qaasid.com/159249/">December 21, 2025</a></time></div> </div> </li></ul> <div class="wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained" style="padding-top:var(--wp--preset--spacing--60);padding-bottom:var(--wp--preset--spacing--60)"> </div> <div class="wp-block-group alignwide has-global-padding is-layout-constrained wp-block-group-is-layout-constrained"> <nav class="alignwide wp-block-query-pagination is-content-justification-space-between is-layout-flex wp-container-core-query-pagination-is-layout-b2891da8 wp-block-query-pagination-is-layout-flex" aria-label="Pagination"> <a href="https://afnnews.qaasid.com/category/science/page/324/" 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