The Sumerian city is a splendid sight ... so obviously useful and so ripe for invention. Potter’s wheels were an ancient technology by this time. The city had streets that were flat and smooth ...

Ancient Sumer was in the southern part of a place called ... Teachers could be very strict and only boys were allowed to attend. The wheel, writing, and the 60 minute clock are all thought to ...

Many theories have tried to explain when and where the wheel and axle were first invented. A new study examines a relatively recent theory that miners in the Carpathian Mountains created the first ...