While this heat is essential for life, it is also a form of "waste" energy that scientists are now learning to harvest. The Biology: How We Generate Heat
: New research has produced 3D-printable, stretchable fabrics that can power medical sensors or LEDs just by touching the skin [8, 11]. Body Heat
Your body is a walking furnace. Every square foot of human skin releases heat equivalent to about [1]. While this heat is essential for life, it