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Current issue

ELEKTRO 1/2017 was released on January 18th 2017. Its digital version will be available on February 17th 2017.

 

Topic: Electrotechnology; Materials for electrical engineering; Equipment and accessories; Marking

 

Main Article

Data analysis of photovoltaic system during an eclipse

Risk of wiring of biometric identification systems

SVĚTLO (Light) 6/2016 was released on December 5th 2016. Its digital version will be available on January 5th 2017.

Interiors lighting
Colloquium Interiors 2016 – the fifth anniversary
Cooperation of indoor interior and lighting 

Standards, regulations and recommendations
New standards for road lighting

Stanford engineers develop a plastic clothing material that cools the skin

02.09.2016 | Stanford University | news.stanford.edu

Stanford engineers have developed a low-cost, plastic-based textile that, if woven into clothing, could cool your body far more efficiently than is possible with the natural or synthetic fabrics in clothes we wear today.

This new material works by allowing the body to discharge heat in two ways that would make the wearer feel nearly 4 degrees Fahrenheit cooler than if they wore cotton clothing. The material cools by letting perspiration evaporate through the material, something ordinary fabrics already do. But the Stanford material provides a second, revolutionary cooling mechanism: allowing heat that the body emits as infrared radiation to pass through the plastic textile.

New material with cooling ability

To develop their cooling textile, the Stanford researchers blended nanotechnology, photonics and chemistry to give polyethylene – the clear, clingy plastic we use as kitchen wrap – a number of characteristics desirable in clothing material: It allows thermal radiation, air and water vapor to pass right through, and it is opaque to visible light.

Read more at Stanford University

Image Credit: L.A. Cicero

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