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Search results for Brownian motion

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 ...

General Âé¶¹ÒùÔºics Dec 19, 2024

Molecular 'pinball': Superfast collisions predict supercritical fluid properties

Neither gas nor liquid, supercritical fluids exhibit a unique mashup of the properties of both and arise when fluids are pushed to very high temperatures and pressures. Their properties make them ideal for a wide variety ...

General Âé¶¹ÒùÔºics Oct 29, 2024

New image recognition technique for counting particles provides diffusion information

A team of scientists have invented a technique to determine the dynamics of microscopic interacting particles by using image recognition to count the number of particles in an imaginary box. By changing the size of the observation ...

General Âé¶¹ÒùÔºics Sep 16, 2024

Energy-saving computing with magnetic whirls

Researchers at Johannes Gutenberg University Mainz (JGU) have managed to enhance the framework of Brownian reservoir computing by recording and transferring hand gestures to the system that then used skyrmions to detect these ...

Quantum Âé¶¹ÒùÔºics Sep 9, 2024

Fluctuating hydrodynamics theory could describe chaotic many-body systems, study suggests

Although systems consisting of many interacting small particles can be highly complex and chaotic, some can nonetheless be described using simple theories. Does this also pertain to the world of quantum physics?

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