Engineering

The picture above is a wheel made by engineers!!!! Cool huh?! __**Greek Engineers create Our Future Tools **__
 * [[image:antikythera_wikipedia_big.jpg width="688" height="615"]]
 * One inventor created mechanical toys like birds,puppets,and coin-operated machines.
 * Water screws were invented by a Greek scientist named Archimedes in 200s BC.
 * Greek engineers created stuff that we still use today, like farmers use water screws and other things like that.
 * Ancient Greeks were also the inventors of automatic doors that were operated by steam in the 1st c.AD.
 * One type of bow was called the Gastraphetes that was invented in 400BC and was used to throw 40 pound rocks up to 300 yards!
 * In 400BC The Porta Rosa,a road, was constructed in Italy for vehicles that would pass by.
 * In 515BC an ancient Greek invented a crane that was built to carry heavy loads.
 * During the 1st C.BC. Hero of Alexandria created the first vending machine that accepted coins and gave you back holy water by a valve.
 * In the 3rd C.BC. inventor Ctesibius made the alarm clock that can drop pebbles on a gong at a certain time.
 * During 3rd C.BC. Ctesibius of Alexandria invented a cannon operated by compressed air.
 * In the 4th C.BC. a Greek invented a shower for female athletes with water that was pumped up.
 * Also, in 480-470 BC the first spiral staircase appeared in temple A in Selinunte,Sicily in a temple.The temple was constructed around 480-470 B.C.
 * Greeks also developed huge silver mines at Laurium that helped with the growth of Athens and allowed Greeks to smelt and work with ores.