Inventions

Invention is part of our everyday vocabulary. We have sayings like, "It's the best thing since sliced bread," and "Don't re-invent the wheel" that reflect our strong connection to inventions of all kinds.  It would be very difficult to live even a single minute without the benefit of some invention.  Virtually everything we use had to be invented.  For instance, if you are in a room right now, think of the thousands of inventions that surround you-from the windows to the floors to the furniture to the device that heats or cools the room. 

Some inventions are famous and legendary, while others are obscure and practically forgotten.  Many inventions stand on the shoulders of inventions that came before them.  Behind every invention is a person who saw a problem or an opportunity invented a solution or a new device.