Whenever your skin is injured, it goes through a natural repairing process. But this healing process often ends up leaving a scare on the skin. And once a scare is formed, it never goes away...
Younger people tend to recover faster. But as we get older, our injuries take longer time to heal. In World War I, the injuries of older soldiers healedmuch more slowly than the younger ones....
This new magnetic ink could help improve the way we created wearable devices.Researchers from University of California, San Diego have developed a magnetic ink that can be used to make self-healing...