PSG College of Technology, Department of Textile Technology, recently, revealed that scientists at a city-based technology institute have developed a number of innovative products and introduced them to defense personnel to make them 'smart soldiers' including a novel electric sweater for extreme cold conditions.
Defense personnel are uncomfortable with the heavy wool material currently used which also hinders their free body movement.
The 'electric sweater' protects them from extreme cold by generating heat within the garment.
Sweater is fitted with Ni-chrome filament with a resistance of four ohm per meter.
Ni-Chrome filament is a non-ferrous alloy of nickel and chromium which has the property of generating heat, when a potential difference is maintained across its terminals.
Research carried out in the area has already been applied to develop commercial products for civilian and military use.
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