Question: In the NOVA about Stonehenge, the A-frame you made had the ropes that the volunteers pull higher than the ropes connected to the rock, and in the NOVA about the obelisk, you had the ...

Story: After the opening of the Suez Canal in 1869, the ruler of Egypt, the Khedive Ismail, promised the United States an obelisk. Henry Gorridge, a lieutenant commander of the U.S. Navy ...