Tag Archives: engineering

How Did They Lift Those Stones?

The Egyptians had to construct ramps and pull the blocks up with ropes and brute force. But the Greeks invented the lifting tongs, the block and tackle, and this ingenious wedge device: the Holivela Holivela Most people have never seen … Continue reading

Posted in 1, architecture, engineering, inventions, Romans, Spain, The Greeks | Tagged , , , , , , , , , | 2 Comments