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Search results for Brownian motion

Mathematics Sep 16, 2025

Researchers develop data-guided simulations for more accurate modeling of random systems

Stochastic dynamical systems arise in many scientific fields, such as asset prices in financial markets, neural activity in the brain, or the spread of infectious diseases. Petar Jovanovski's Ph.D. thesis focuses on these ...

Education Sep 15, 2025

Inquiry into the history of science shows an early 'inherence' bias

Early scientific theories—such as those explaining basic phenomena like gravity, burning, and the movement of molecules in water—centered on presumed inherent properties rather than external factors, thereby misleading ...

General Âé¶¹ÒùÔºics Aug 27, 2025

Researchers propose heat engine that surpasses classical thermodynamic limits

A study published in Âé¶¹ÒùÔºical Review Letters (PRL) details a "Gambling Carnot Engine" that researchers report can attain 100% efficiency while also improving power generation.

Nanophysics Jul 15, 2025

New AI tool deciphers mysteries of nanoparticle motion in liquid environments

Nanoparticles—the tiniest building blocks of our world—are constantly in motion, bouncing, shifting, and drifting in unpredictable paths shaped by invisible forces and random environmental fluctuations.

Optics & Photonics May 5, 2025

Hours-long continuous lasing achieved using laser-cooled strontium atoms

Laser-cooled atomic gases, gases of atoms chilled to temperatures around absolute zero using laser technologies, have proved to be versatile physical platforms to study and control quantum phenomena. When these atomic gases ...

Nanophysics Apr 22, 2025

Q&A: Microscopic 'traffic jams' solution inspires new insights into particle movement and drug delivery

From microscopic robots that can carry and deliver drugs inside the human body to tiny particles that can detect and break down microplastics, an emerging field called active matter is looking toward the microscale to solve ...

Nanophysics Mar 4, 2025

3D imaging technique captures dynamic atomic shifts in nanoparticles, revealing unexpected structural phases

A research team from Seoul National University College of Engineering has developed a technology to observe atomic structural changes of nanoparticles in three dimensions. Their study, which resolves a long-standing challenge ...

Bio & Medicine Jan 22, 2025

Proposed solution could bring DNA-nanoparticles motors up to speed with motor proteins

DNA-nanoparticle motors are exactly as they sound: tiny artificial motors that use the structures of DNA and RNA to propel motion through enzymatic RNA degradation. Essentially, chemical energy is converted into mechanical ...

Nanophysics Dec 23, 2024

High-quality nanodiamonds offer new bioimaging and quantum sensing potential

Quantum sensing is a rapidly developing field that utilizes the quantum states of particles, such as superposition, entanglement, and spin states, to detect changes in physical, chemical, or biological systems. A promising ...

General Âé¶¹ÒùÔºics Dec 20, 2024

Active particles reorganize 3D gels into denser porous structures, study shows

Colloidal gels are complex systems made up of microscopic particles dispersed in a liquid, ultimately producing a semi-solid network. These materials have unique and advantageous properties that can be tuned using external ...

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