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Tag archives: clothing

Physics of ski jackets, the eerie sound of thin ice, how figure skaters linger in mid-air


By Michael Banks and Hamish Johnston

Probably with an eye on the Winter Olympics, which starts today, two firms have just released new ranges of high-tech ski jackets. The Swiss technology business Osmotex and the Swiss Federal Laboratories for Materials Science and Technology premiered their new ski jacket at the sport and sportwear international (ISPO) trade fair in Munich. It contains an “electro-osmotic” membrane called HYDRO_BOT in the fabric so that when membrane is switched on with a conventional battery it speeds up the transfer of salt ions across the membrane, taking them away from your sweaty skin. The creators claim it can pump out 10 litres of liquid per square metre per hour. For more details, see the video above.


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