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Current issue

ELEKTRO 10/2019 was released on November 2nd 2019. Its digital version will be available immediately.

Topic: Topic: Electroenergetics, Devices for transmission and distribution of electricity

Main Article
Problematics of measurement on inverter welding sources

SVĚTLO (Light) 5/2019 was released on September 16th 2019. Its digital version will be available immediately.

Professional organizations activities
International conference LIGHT (SVĚTLO) 2019 – 6th announcement
We participated in International commission on illumination CIE 2019 congress in Washington
Technical colloquium SLOVALUX 2019

Fairs and exhibitions
Inspire with boho styl and design of Far East at autumn fair FOR INTERIOR

New coatings make natural fabrics waterproof

02.07.2018 | MIT | web.mit.edu

Fabrics that resist water are essential for everything from rainwear to military tents, but conventional water-repellent coatings have been shown to persist in the environment and accumulate in our bodies, and so are likely to be phased out for safety reasons. That leaves a big gap to be filled if researchers can find safe substitutes.

Now, a team at MIT has come up with a promising solution: a coating that not only adds water-repellency to natural fabrics such as cotton and silk, but is also more effective than the existing coatings.

New waterproof coating

The coated materials have been subjected to repeated washings with no degradation of the coatings, and also have passed severe abrasion tests, with no damage to the coatings after 10,000 repetitions. Eventually, under severe abrasion, “the fiber will be damaged, but the coating won’t,” he says.

Read more at MIT

Image Credit: Varanasi and Gleason research groups

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