If you've ever bought a mattress or pillow, you've probably encountered memory foam. But here's a surprising fact: memory foam was invented by NASA.
During the 1960s, NASA needed a material to cushion test pilots during flights. Their researchers developed memory foam, which offered the ideal combination of elasticity and viscosity to protect pilots.
Fast forward a few decades and memory foam found a new purpose: preventing bedsores in immobile patients. Companies soon recognized its versatility and began incorporating it into everything from beds and couches to football helmets and earplugs.
β