Small simple machines are a huge part of our lives. We might not even realize how important they are until we find ourselves outside on a chilly morning with a wide open coat, or trying to eat steak with a spoon. In the future, small chemical machines might be an important part of health and medicine. What do simple machines and molecular machines have in common? They were all invented to improve our lives!
Being polite, helping others, leaving the world a better place than you found it—these are all things that are part of being good citizens in the real world.