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"islands" of regularity discovered in the famously chaotic three-body problem

Astronomers have discovered patterns of regularity within the chaotic three-body problem, which is a fundamental challenge in physics. The researcher's findings suggest that certain configurations of three massive objects can lead to predictable outcomes, offering new insights into astrophysics and the behavior of black holes.

SourceUniversity of Copenhagen - Faculty of Science·JournalAstronomy and Astrophysics·DateOct 10, 2024
SAMSUNG T9 Portable SSD 2TB

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Direct evidence for modified gravity at low acceleration from Gaia observations of wide binary stars

A new study by Kyu-Hyun Chae found conclusive evidence for the breakdown of standard gravity in low acceleration limit using up to 26,500 wide binaries observed by Gaia. The results show a boost factor of 30-40% higher than Newton-Einstein prediction, meeting conventional criteria of 5 sigma significance.

SourceSejong University·JournalThe Astrophysical Journal·TypeData/statistical analysis·DateAug 11, 2023

Smart material prototype challenges Newton’s laws of motion

Researchers at the University of Missouri have developed a smart material prototype that can control the direction and intensity of energy waves. This breakthrough could have significant implications for various fields, including military and commercial applications.

SourceUniversity of Missouri-Columbia·JournalProceedings of the National Academy of Sciences·DateMay 18, 2023

Astronomy: Observation puzzles researchers

Researchers investigated open star clusters, finding they dissolve faster than predicted by Newton's laws. The team developed a new method to count stars in tidal tails, revealing a significant difference in the number of stars between the front and rear tails.

SourceUniversity of Bonn·JournalMonthly Notices of the Royal Astronomical Society·DateOct 26, 2022
CalDigit TS4 Thunderbolt 4 Dock

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ETH researchers remeasure gravitational constant

Researchers from ETH Zurich conducted a new experiment to redetermine the gravitational constant G, obtaining a value 2.2% higher than the current official figure. The team used a dynamic measurement method involving resonating beams, allowing for real-time data analysis and minimization of interference.

SourceETH Zurich·JournalNature Physics·TypeExperimental study·DateJul 12, 2022

New machine learning theory raises questions about nature of science

A novel machine learning algorithm developed by Princeton physicist Hong Qin accurately predicts planetary orbits without using traditional physics laws. The technology has potential applications in predicting plasma behavior in fusion facilities, challenging the fundamental role of theories in science.

SourceDOE/Princeton Plasma Physics Laboratory·JournalScientific Reports·DateFeb 11, 2021
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Hundreds of copies of Newton's Principia found in new census

A new survey more than doubles the known number of copies of Isaac Newton's groundbreaking science book, challenging the idea that it was only read by expert mathematicians. The research suggests that the Principia was widely read and comprehended in 17th-century Europe.

SourceCalifornia Institute of Technology·JournalAnnals of Science·DateNov 10, 2020

Using games to study law of motions in mind

The study establishes relationships between game progress and entertainment experiences using Newtonian laws of motion, revealing the player's mental state. The game refinement theory explores fundamental mechanisms of game playing mechanics, mapping different cultures to human mind sophistication.

SourceJapan Advanced Institute of Science and Technology·JournalIEEE Access·DateJul 31, 2020

Hebrew U researcher cracks Newton's elusive '3-body' problem

Researchers at Hebrew University of Jerusalem use traditional mathematics to predict planets' movements in unstable three-body systems. Their findings provide a new understanding of these complex processes and are essential for visualizing complicated phenomena.

SourceThe Hebrew University of Jerusalem·JournalNature·DateDec 18, 2019
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Giving robots a faster grasp

Researchers at MIT have created an algorithm that significantly speeds up the planning process required for robots to adjust their grasp on objects. The new approach uses motion cones to efficiently calculate feasible pushes and reposition objects in less than a second, compared to traditional algorithms that take over 500 seconds.

SourceMassachusetts Institute of Technology·JournalThe International Journal of Robotics Research·DateOct 17, 2019

MOND used to predict key property in Andromeda's satellites

Researchers used Modified Newtonian Dynamics (MOND) to predict velocity dispersion in faint dwarf galaxies of Andromeda. In 16 out of 17 cases, their predictions matched the measured velocity dispersions, suggesting that MOND may be a viable alternative to dark matter.

SourceCase Western Reserve University·DateFeb 14, 2013

Being Isaac Newton: Computer derives natural laws from raw data

Researchers teach computer to find regularities in nature that become established laws without prior knowledge, applicable to biology, cosmology, and complex systems. The algorithm tests equations against known derivatives, repeats until accurate equations are found.

SourceCornell University·JournalScience·DateApr 2, 2009