Search results for capillarity

Soft Matter Dec 7, 2023

Understanding the formation of minute droplets in microfluidic devices

The detailed physics behind droplet generation in microfluidic post-array devices has been clarified by scientists at Tokyo Tech. Through various experiments performed under different operational conditions, they gained important ...

Plants & Animals Nov 22, 2022

Shared conserved module found in formation of moss midribs and seed plant axillary meristems

Plant landing is a major event during evolution. Accompanying their movement from aquatic to terrestrial habitats, different evolutionary plant lineages have evolved distinct characteristic body plans and anatomical structures, ...

Analytical Chemistry Nov 15, 2022

New aspects of surface wetting revealed

When a surface is getting wet, the composition of the liquid plays a role in the wetting process. Researchers from the Max Planck Institute for Dynamics and Self-Organization (MPI-DS) found that phase separation within the ...

General Physics Aug 22, 2022

Sandcastle engineering: A geotechnical engineer explains how water, air and sand create solid structures

If you want to understand why some sandcastles are tall and have intricate structures while others are nearly shapeless lumps of sand, it helps to have a background in geotechnical engineering.

Nanomaterials Nov 5, 2021

Nanoscale self-assembling salt-crystal 'origami' balls envelop liquids

Researchers have developed a technique whereby they can spontaneously encapsulate microscopic droplets of water and oil emulsion in a tiny sphere made of salt crystals—sort of like a minute, self-constructing origami soccer ...

Bio & Medicine May 14, 2021

Microfluidics: The tiny, beautiful tech hidden all around you

When you think of micro- or nanotechnology, you likely think of small electronics like your phone, a tiny robot or a microchip. But COVID-19 tests—which have proven to be central to controlling the pandemic—are also a ...

Environment Jan 29, 2021

Unfrozen water content affects thermal-hydro-mechanical characteristics of frozen soil

The content of unfrozen water in frozen soil affects the freeze-thaw cycle, hydrological cycle, water and energy exchange between land and air, vegetation growth and structural strength of soil in cold regions. Currently, ...

General Physics Apr 17, 2020

Researchers propose theoretical model to describe capillary force balance at contact line

Recently, a group led by Prof. Wu Heng'an and Prof. Wang Fengchao from University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) in collaboration with Prof. Joel De Coninck from University ...

Nanophysics Feb 7, 2020

Magnetic microrobots use capillary forces to coax particles into position

At microscopic scales, picking, placing, collecting, and arranging objects is a persistent challenge. Advances in nanotechnology mean that there are ever more complex things we'd like to build at those sizes, but tools for ...

Space Exploration Jun 7, 2019

Rockets, evaporating droplets and X-raying metals

Years of preparation, and the finale is over in six minutes. This month a sounding rocket will launch two ESA experiments to an altitude of 260 km to provide six minutes of weightlessness as they free-fall back to Earth.

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