Search results for fluid mechanics

Cell & Microbiology Nov 29, 2018

New tools illuminate mechanisms behind overlooked cellular components' critical roles

Creating new tools that harness light to probe the mysteries of cellular behavior, Princeton researchers have made discoveries about the formation of cellular components called membraneless organelles and the key role these ...

General Physics Apr 2, 2015

Revisiting the mechanics of the action potential

The action potential is widely understood as an electrical phenomenon. However, a long experimental history has documented the existence of co-propagating mechanical signatures.

Materials Science Feb 5, 2020

Tiny 'bridges' help particles stick together

It happens outside your window every time it rains: The soil gets wet and may form sticky mud. Then it dries. Later it might rain again. Each wetting and rewetting affects the structure and stability of the soil. These changes ...

Space Exploration Mar 8, 2017

Mechanism underlying size-sorting of rubble on asteroid Itokawa revealed

In 2005, the Hayabusa spacecraft developed by the Japan Aerospace Exploration Agency (JAXA) landed on Itokawa, a small near-Earth asteroid named after the famous Japanese rocket scientist Hideo Itokawa. The aim of the unmanned ...

Plants & Animals Sep 22, 2016

Researchers reveal details about the unique feeding habits of whales

Whales are the biggest animals to ever have existed on Earth, and yet some subsist on creatures the size of a paper clip. It's a relatively common factoid, but, in truth, how they do this is only just being uncovered, thanks ...

Nanomaterials Jul 21, 2020

Mechanically activated ionic transport across single-digit carbon nanotubes

Nanofluidics, the field which studies nanoscale flows, has made considerable progress in recent years. The field is blossoming thanks to the development of new materials, in particular nanotubes and 2-D materials, which allows ...

Cell & Microbiology Aug 29, 2017

New member of NAS reveals how animals select good microbes, reject harmful ones

Margaret McFall-Ngai, professor and director of the Pacific Biosciences Research Center, School of Ocean and Earth Science and Technology, at the University of Hawai'i at Mānoa, is the only woman at UH who is a member of ...

General Physics May 28, 2019

Researchers crack an enduring physics enigma

For decades, physicists, engineers and mathematicians have failed to explain a remarkable phenomenon in fluid mechanics: the natural tendency of turbulence in fluids to move from disordered chaos to perfectly parallel patterns ...

Nanophysics Jun 30, 2014

New technique controls fluids at the nanoscale

(Phys.org) —Researchers at Swinburne University of Technology have revealed a revolutionary method of pumping fluid at the nanoscale level that has potential use for desalinating water and lab-on-a-chip devices.

General Physics Jan 20, 2011

Study yields better turbine spacing for large wind farms (w/ Video)

Large wind farms are being built around the world as a cleaner way to generate electricity, but operators are still searching for the most efficient way to arrange the massive turbines that turn moving air into power.

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