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How does the UNIQLO heat-tech technology generate heat from moisture without violating the first law of thermodynamics?
But how exactly does this process work and how does it not break the first law of thermodynamics?
The thermal insulation process works by using a special fiber that is woven into the fabric. This fiber has the ability to absorb and store moisture that is emitted from the body. When this moisture comes into contact with the fibers, it causes them to vibrate and generate heat through friction. This process does not violate the first law of thermodynamics because the heat generated is a result of converting the body's natural energy into heat, rather than creating energy from nothing.