In normal circumstances, particles will follow well-established random motions as they diffuse through liquids and gases. Yet in some types of system, this behavior can be disrupted—meaning the diffusion motions of particles ...
General Physics
Nov 19, 2020
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Mathematical models of the motion of cells in viscous liquids that show how this motion is affected by the presence of a surfactant coating have applications in the design of artificial micro-swimmers for targeted drug delivery, ...
Bio & Medicine
Nov 11, 2020
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Colloids are complex mixtures in which microscopic particles of one substance are suspended evenly throughout another. They can be prepared in many different ways, but to achieve desirable properties in the final mixture, ...
Nanomaterials
Jun 19, 2020
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From starling aberrations to self-turbulent fluids, 'active systems' encompass a wide family of phenomena in which individual objects propel themselves forward, allowing them to display intriguing collective behaviors. On ...
Condensed Matter
May 28, 2020
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Flexible circuits have become a highly desirable commodity in modern technology, with applications in biotechnology, electronics, monitors and screens, being of particular importance. A new paper authored by John F. Niven, ...
General Physics
Apr 21, 2020
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Some intriguing physics can be found at the interfaces between fluids, particularly if they are straddled by particles like proteins or dust grains. When placed between un-mixable fluids such as oil and water, a variety of ...
General Physics
Mar 18, 2020
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Because of the harmful side-effects of chemotherapy, and the increasing resistance to drugs found in many cancer cells, it is critical for researchers to continually search for new ways to update current cancer treatments. ...
Biochemistry
Oct 28, 2019
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26
The Marangoni effect is a popular physics experiment. It is produced when an interface between water and air is heated in just one spot. Since this heat will radiate outwards, a temperature gradient is produced on the surface, ...
General Physics
Oct 28, 2019
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Many natural microscopic objects—red blood cells and pollen grains, for example—take the form of distorted spheres. The distortions can be compared to those observed when a sphere is 'deflated' so that it steadily loses ...
General Physics
Oct 25, 2019
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5
It normally takes about 21 days for chicken embryos to develop into chicks. By observing chicken hindlimb formation, a CNRS / Université de Paris research team has just discovered that the mechanism at the origin of embryonic ...
Plants & Animals
Aug 20, 2019
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