Search results for stokes drag force

General Physics Sep 4, 2020

Opto-thermoelectric microswimmers

In a recent report, Xiaolei Peng and a team of scientists in materials science and engineering at the University of Texas, U.S., and the Tsinghua University, China, developed opto-thermoelectric microswimmers bioinspired ...

General Physics Nov 5, 2012

Physicists use Kinect to control holographic tweezers (w/ Video)

(Phys.org)—Researchers at the University of Dundee in Scotland have devised a means of using a Microsoft Kinect sensing system to allow for hand control of holographic optical tweezers. They describe their results in a ...

General Physics Feb 24, 2016

Fluid dynamics model accurately predicts how bubbles impact on solid surfaces

Bubbles are an essential part of many industrial applications including foam formation, water purification, and oil and gas extraction. To understand the effects of bubbles in these systems, A*STAR researchers have developed ...

Environment May 26, 2021

Floating ocean plastic can get a boost to its wave-induced transport because of its size

Plastic pollution and other ocean debris are a complex global environmental problem. Every year, ten million tons of plastic are estimated to be mismanaged, resulting in entry into the ocean, of which half will float initially. ...

General Physics May 24, 2019

A collaboration between art and science explores the turbulent physics of eddies

Many of us as kids have played Poohsticks—throwing a twig into flowing water from a bridge or riverbank and watching it race downstream, but then losing the competition because your stick gets caught in the endless spin ...

Robotics Mar 21, 2013

Terradynamics: Technique could help designers predict how legged robots will move on granular surfaces (w/ video)

Using a combination of theory and experiment, researchers have developed a new approach for understanding and predicting how small legged robots – and potentially also animals – move on and interact with complex granular ...

Earth Sciences Jun 26, 2014

UN warns El Nino likely by end of year

The "El Nino" phenomenon, which sparks climate extremes around the globe, is likely to take hold in the Pacific Ocean by the end of the year and could even do so within weeks, the UN said on Thursday.