An invention is a unique or novel device, method, composition, idea, or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept.
Invention, the act of bringing ideas or objects together in a novel way to create something that did not exist before. Ever since the first prehistoric stone tools, humans have lived in a world shaped by invention.
The engine ushered in the Industrial Age, as well as enabling the invention of a huge variety of machines, including modern cars and aircraft.
Science and inventions have propelled human progress, as well as led to human destruction. From the creation of the first stone tools to reusable space rockets to the atomic bomb, each step...