The grocery bag you're carrying breaks, and the eggs inside splat across your driveway. Yep, unloading groceries can be tedious, but that's nothing compared to the days before refrigeration, so grab a cold beverage and learn who you have to thank.
Inventions can change the world in an instant. Inventions are thought of every minute but very few of them actually make it to market. In this section we'll examine amazing inventions from all throughout history.