I may not be an inventor, but I must have some innovative blood and a genetic drive to make life better. As a young boy, my great great uncle, Chester Greenwood was known for his ears; Maine winters turned them deep purple, sickly white, and even blue on the coldest days of the year. One frigid day, Chester sewed balls of fur onto a wire loop and went out to ice skate wearing his homemade earmuffs. His friends marveled at...