Sometimes nothing feels better on stiff, aching joints than a little heat. But many heating pads and wraps are rigid and provide uneven warmth, especially when the person is moving around. Researchers have now made a wearable heater by modifying woven Kevlar® fabric with nanowires that conduct and retain heat.
from Engineering and Construction News – ScienceDaily https://www.sciencedaily.com/releases/2018/10/181031124912.htm
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