A student in Gregg Thompson’s sixth-grade social studies class at Woodland Middle School in Gurnee asked, “How did the ancient Egyptians carry blocks that were 1,000 times their weight to ...

The Ancient Greeks may have invented an intricate pulley system of ropes and levers to lift vast blocks weighing up to 900 lbs when building their enormous structures. In the sixth century BC, the ...

According to the website, www.egyptianpulley.com, the ancient Egyptian pulley would have lifted one of these stones up the pyramid every three minutes for about 30 years straight. This is how the ...

This Roman wooden pulley system was found at Bar Hill Roman Fort, Strathclyde, ... Ancient Rome; Period. 200 BC - 200; second century AD. Theme. Science & Technology; Size. Medium; H: 50cm W: 15cm ...

Builders of Egypt’s oldest known pyramid, the nearly 4,700-year-old Step Pyramid of Djoser at Saqqara, may have used waterpower to help construct this monumental structure. Ancient architects might ...