Search results for granular medium

Environment Nov 20, 2020

Artificial intelligence and satellite technologies reveal detailed map of air pollution across UK

A novel method that combines artificial intelligence with remote sensing satellite technologies has produced the most detailed coverage of air pollution in Britain to date.

Materials Science Mar 12, 2020

Team develops multisurface adhesion system modeled on grasshopper's feet

In their everyday lives, insects often have to cope with both rough and smooth as well as sticky surfaces. They achieve a firm grip through special hooks or tiny hairs on their feet. While these different requirements are ...

Materials Science Nov 12, 2019

Metal industry is about to undergo one of the greatest upheavals in history, expert says

Metallic materials are the backbone of modern economies. However, large quantities of CO2 are produced during their production and processing. The metal industry must therefore use more climate-friendly processes in the future. ...

Energy & Green Tech Jun 3, 2019

Smart strategy can save open-plan offices up to 25 percent of energy on lighting

Increasingly, employees share a large open office with flexible workplaces and working hours, leaving many desks vacant for large parts of the day. But the lighting is still on the whole day, in the whole office. Smart lighting ...

General Physics Nov 27, 2018

Research helps in understanding the dynamics of dune formation

Crescent-shaped dunes called barchans are structures that appear in a wide variety of environments, including beaches and deserts, riverbeds and the seafloor, inside water pipes and oil pipelines, and on the surface of Mars ...

Condensed Matter Sep 21, 2017

Rapid imaging of granular matter

Granular systems such as gravel or powders can be found everywhere, but studying them is not easy. Researchers at ETH Zurich have now developed a method by which pictures of the inside of granular systems can be taken ten ...

Condensed Matter Aug 24, 2017

Helical locomotion in a granular medium by a 'sand robot'

Moving within granular media such as sand is a trick that occurs not only in science-fiction movies. The sandfish lizard, which lives in the desert, is also able to perform this task. In order to do so, this lizard behaves ...

Plants & Animals Aug 16, 2017

Lab experiments show why medium-sized ants can't crawl out of antlion larvae pits

A small team of researchers affiliated with several institutions in France has discovered why medium-sized ants have more trouble climbing out of sand pits than larger or smaller ants. In their paper published in the journal ...

Condensed Matter Jun 15, 2017

Desert lizards use body oscillations to dive into sand (Update)

In the desert, the sand surface can become extremely hot during the day, up to 70ÂșC. In order to escape these temperatures, some desert lizards adopt a fascinating strategy: They dive a few centimeters under the sand surface ...

Engineering May 10, 2017

New 3-D printing method promises vastly superior medical implants for millions

For the millions of people every year who have or need medical devices implanted, a new advancement in 3D printing technology developed at the University of Florida promises significantly quicker implantation of devices that ...

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