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Search results for Brownian motion

Nanophysics Nov 11, 2021

New sensor detects ever smaller nanoparticles

Conventional microscopes produce enlarged images of small structures or objects with the help of light. Nanoparticles, however, are so small that they hardly absorb or scatter light and, hence, remain invisible. Optical resonators ...

General Âé¶¹ÒùÔºics Oct 5, 2021

Âé¶¹ÒùÔºics Nobel rewards work on complex systems, like climate

Three scientists won the Nobel Prize in physics Tuesday for work that found order in seeming disorder, helping to explain and predict complex forces of nature, including expanding our understanding of climate change.

Nanomaterials Sep 6, 2021

Fast nanoparticle diffusion in synovial fluid and hyaluronic acid solutions

Nanoparticles have applications as therapeutic agents for joint diseases such as osteoarthritis. But the role of nanoparticle diffusion in synovial fluid or the fluid inside the joint is incompletely understood. In a new ...

General Âé¶¹ÒùÔºics Aug 23, 2021

Mathematicians build an algorithm to 'do the twist'

Mathematicians at the Center for Advanced Mathematics for Energy Research Applications (CAMERA) at Lawrence Berkeley National Laboratory (Berkeley Lab) have developed a mathematical algorithm to decipher the rotational dynamics ...

Nanomaterials Jul 27, 2021

Tracking the movement of a single nanoparticle

Based on the principle of interaction between matter and light, a new method has been developed to track and observe the Brownian motion of fast-moving nanometer-sized molecules, and measure the different fluorescence signals ...

Nanomaterials Jun 29, 2021

Speedy nanorobots could someday clean up soil and water, deliver drugs

University of Colorado Boulder researchers have discovered that minuscule, self-propelled particles called "nanoswimmers" can escape from mazes as much as 20 times faster than other passive particles, paving the way for their ...

General Âé¶¹ÒùÔºics Jun 16, 2021

Particles with 'eyes' allow a closer look at rotational dynamics

Colloids—mixtures of particles made from one substance, dispersed in another substance—crop up in numerous areas of everyday life, including cosmetics, food and dyes, and form important systems within our bodies. Understanding ...

General Âé¶¹ÒùÔºics May 25, 2021

Probing deeper into origins of cosmic rays

Cosmic rays are high-energy atomic particles continually bombarding Earth's surface at nearly the speed of light. Our planet's magnetic field shields the surface from most of the radiation generated by these particles. Still, ...

General Âé¶¹ÒùÔºics Apr 14, 2021

Challenging Einstein's picture of Brownian motion

Around a decade ago, the discovery of Fickian yet non-Gaussian Diffusion (FnGD) in soft and biological materials broke up the celebrated Einstein's picture of Brownian motion. To date, such an intriguing phenomenon is still ...

Materials Science Mar 29, 2021

Scientists find explanation for abnormally fast release of gas from nuclear fuel

Scientists at MIPT have found a possible explanation for the anomalously fast release of gas from nuclear fuel. Supercomputer simulations have uncovered an unexpected mechanism for accelerating the escape of gas bubbles from ...

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