Some of the Spanish inventions along the History are:
The first graded lenses
The lollipop (chupachups)
The Autogyro
The Spanish Libelula (dragonfly)
The mop and backet
The table football
The birth pill
El ajedrecista
The Air-independent propulsion
The laryngoscope
The capstan
The Molotov Cocktail
The Talgo
inventors invent things everywhere home, office, or a lab.
Necessity is the mother of all invention. Inventors invent because they or someone else has a need for something that does not exist.
They can patent it.
invent
The telephone and the airplane
me
Eli Whitney cotton gin
He is one of the inventors of the microprcessor, but there were others working on it with him.
Thomas Edison
answerr myy ouestion?
maybe because inventors were kept close to the rulers
The History of the Refrigerator and Freezershttp://inventors.about.com/library/inventors/blrefrigerator.htm