Search results for Brownian motion

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 Physics 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 Physics 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 Physics 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 Physics 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 Physics 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?

Plants & Animals Sep 9, 2024

Study fills in gaps and biases in plant biodiversity data

It is hard to protect something if you don't know where it is. Yet many people who study and want to safeguard native plants are faced with this exact problem.

General Physics Aug 20, 2024

Novel ratchet mechanism uses a geometrically symmetric gear driven by asymmetric surface wettability

The ratchet mechanism is a fascinating energy-conversion system that converts disorderly or random motion into orderly, directed movement through a process known as spontaneous rectification. It is a critical component of ...

Soft Matter Aug 13, 2024

A new robotic platform to reproduce and study complex ciliary behavior

Cilia are sensory structures extending from the surface of some cells. These hair-like structures are known to contribute to the sensorimotor capabilities of various living organisms, including humans.

General Physics Aug 5, 2024

'Laser view' into the avocado: New method reveals cell interior

Checking whether an avocado is hard or soft by looking at it? This would require recognizing how the plant cells behave behind the skin. The same applies to all other cells on our planet: Despite more than 100 years of intensive ...

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