Durable Yarn Wrist Heaters Provide Re-usable Portable Warmth
As the fall chill settles in across the U.S., people are getting out their cozy sweaters and electric blankets, or stocking up on handheld heat packets for extra warmth. But sweaters and blankets are bulky, and heat packs only work for a little while. Now, researchers have demonstrated a conductive, durable yarn for lightweight wearable […]
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Source: Good News