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 demonstrate a conductive, durable yarn for lightweight wearable heaters that are re-usable and provide constant, portable warmth.
from Latest Science News -- ScienceDaily https://ift.tt/3G4lh4Q
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