Add BrightSurf on Google Email

Spacecraft proximity operation model-based sequential coalitional observation game strategy design

A new strategy design method for multi-aspect information acquisition of non-cooperative targets is proposed using sequential coalition game theory. The method combines four close-range operation models to achieve efficient acquisition of multi-aspect payload information under minimum fuel constraints.

SourceBeijing Institute of Technology Press Co., Ltd·JournalSpace: Science & Technology·DateAug 20, 2026

Meat consumption and cognitive health by APOE genotype

A new study published in JAMA Network Open suggests that high meat consumption is associated with better cognitive trajectories and lower dementia risk among individuals with the APOE 34/44 genotype. The finding contradicts previous expectations, highlighting potential clinical and public health relevance for this population.

SourceJAMA Network·JournalJAMA Network Open·DateMar 19, 2026

Scientists identify the predictability limit of oceanic mesoscale eddy tracks in the South China Sea

Researchers studied mesoscale eddy observations to estimate theoretical predictability limits of eddy trajectories. Long-lived eddies have higher predictability limits, while short-lived ones are less predictable. The study also introduced a complexity index to elucidate OME track complexity.

SourceInstitute of Atmospheric Physics, Chinese Academy of Sciences·JournalAdvances in Atmospheric Sciences·DateJul 30, 2024

Chaos gives the quantum world a temperature

Computer simulations demonstrate that chaos plays a crucial role in the emergence of thermodynamic behavior from quantum theory. A quantum system with indistinguishable particles and a thermometer-like particle shows a temperature distribution consistent with Boltzmann's rules only when the system exhibits chaos.

SourceVienna University of Technology·JournalEntropy·TypeData/statistical analysis·DateDec 14, 2022

Quantum mechanics affects light emission

Researchers found that quantum mechanics' influence on particles affects light emission, demonstrating wavefunction collapse and altering interference patterns. The study sheds new light on the counter-intuitive phenomenon, revealing a direct connection between light emission and quantum entanglement.

SourceTel-Aviv University·JournalPhysical Review Letters·DateOct 4, 2021

Quantum interference in time

Nicolas Cerf and Michael Jabbour identify a new form of quantum interference that occurs through time, using an optical amplifier to produce identical photons. This phenomenon challenges our classical understanding of space-based interference.

SourceUniversité libre de Bruxelles·JournalProceedings of the National Academy of Sciences·DateDec 14, 2020

Knuckleball machine delivers soccer science

Scientists in France create a knuckleball machine to explore the zigzag secrets of one of football's most unpredictable shots, providing clues to much older scientific puzzles. The researchers discovered that unsteady lift forces and a specific velocity window contribute to the ball's erratic trajectory.

SourceIOP Publishing·JournalNew Journal of Physics·DateJul 12, 2016

Revisiting trajectories at the quantum scale

A new paper by Holger Hofmann reveals that quantum particles' motion is not deterministic and emerges only at the macroscopic limit. The Heisenberg uncertainty principle prevents the observation of trajectories, leading to a fundamental scale where classical physics breaks down.

SourceSpringer·JournalThe European Physical Journal D·DateJun 7, 2016

Atoms can be in 2 places at the same time

Researchers at the University of Bonn have shown that cesium atoms can indeed take two paths at the same time, contradicting the macro-realistic view. The team's experiment uses optical tweezers to manipulate a single Caesium atom and measures its final position indirectly.

SourceUniversity of Bonn·JournalPhysical Review X·DateJan 20, 2015

Mapping the optimal route between two quantum states

Scientists from Chapman University and several other institutions develop an experiment to track quantum trajectories, comparing them to a recent theory predicting the most likely path. The results show good agreement between theory and experiment, verifying the theory and opening the way for active quantum control techniques.

SourceChapman University·JournalNature·DateAug 1, 2014

Carlos '97 free kick no fluke, say French physicists

A group of French physicists have computed the trajectory of Roberto Carlos' famous 1997 free kick goal, revealing it was not an incredible fluke but a carefully calculated move. The 'spinning ball spiral' effect, as they call it, shows how the spin and velocity of the ball can create an unexpected trajectory.

SourceIOP Publishing·JournalNew Journal of Physics·DateSep 2, 2010

Search for the bridge to the quantum world

Physicists have proposed a transition from quantum to classical world through decoherence, an evolutionary process similar to Charles Darwin's natural selection. The research uses advanced scanning gate microscopy to measure scars in quantum dots, providing insight into the bridge between the two realms.

SourceArizona State University·JournalPhysical Review Letters·DateJul 2, 2010