Today on Modern Mechanix we look at man-made lightning used for scientific research as well as a cool ferry that drives along the bottom while keeping the passengers above high and dry. In 1962 self-service gas pumps were novel enough to write about in a magazine. Solving a problem we all have, here is a handy clasp to convert your pants into knickers. Scientists had to enter this germ-free laboratory by diving through a pool of germicidal solution. We also learned how to make a refrigerator that uses a gas flame to keep food cold.