What you can do to minimize shift work sleep disorder. If you work a non-traditional shift like the night shift or rotating shifts, you may be missing out on more than daylight and watching your kidsâ soccer games. You could be missing out on sleep and better health. Advertising Policy.
Lonnie George Johnson (born October 6, 1949 in Mobile, Alabama) is an African American inventor and engineer who holds more than 80 patents. Johnson is most known for inventing the Super Soaker water gun, which has ranked among the world's top 20 best-selling toys every year since its release.
Jacob Perkins, who worked with Evans, received a patent for a vapor-compression cycle using liquid ammonia in 1835, according to History of Refrigeration. For that, he is sometimes called the father of the refrigerator. John Gorrie, an America doctor, also built a machine similar to Evans' design in 1842. Gorrie used his refrigerator, which created ice, to cool down patients with yellow fever in a Florida hospital.