An invention is a new thing that someone has made. The computer was an invention when it was first made. We say when it was "invented". New things that are made or created are called inventions. Cars and plastics are inventions that everyone knows. Inventions are made by inventors

See the fact file below for more information about inventors and inventions.
An invention is defined as a device, method or process developed from study and experimentation.The earliest inventions were made out of what was available to the people. Wood was used for spears shafts. Rocks were used for the blade of a spear or a knife. Bones were used for needles.When a invention is created it can be protected by a patent. A patent is a set of exclusive rights granted by a state or national government given to an inventor for a limited period of time in exchange for a public disclosure of an invention.