Researchers simulate the process of adhesive wear

Surface wear describes the process of material loss when two surfaces come into contact with each other. It has significant economic, social and health consequences—consider the fine particles emitted by moving vehicles. ...

Mixed report card for low-cost indoor air quality home monitors

Affordable indoor air quality monitors for the home can be worth the purchase, a recent product evaluation revealed, but all of the monitors tested by researchers were found to have either underreported or missed the presence ...

Exploring ocean waters to characterize atmospheric aerosols

Aerosols are collections of fine particles, either biological or of other types, suspended in a gaseous medium. They play a major role in cloud formation and therefore have a strong impact on climate models. They are, however, ...

Image: Wavemaker moon Daphnis

The wavemaker moon, Daphnis, is featured in this view, taken as NASA's Cassini spacecraft made one of its ring-grazing passes over the outer edges of Saturn's rings on Jan. 16, 2017. This is the closest view of the small ...

Dutch unveil giant vacuum to clean outside air

Dutch inventors Tuesday unveiled what they called the world's first giant outside air vacuum cleaner—a large purifying system intended to filter out toxic tiny particles from the atmosphere surrounding the machine.

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