Do scientists know how the pyramids were built?

Considering the pyramids were built more than four thousand years ago, the exact technique of construction remains a mystery and modern-day equipment was not available at the time. It is believed that ancient Egyptians ferried the huge stone blocks on the Nile river.



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It was constructed at the order of Pharoah Khufu sometime around 2560 B.C.E., although how it was actually constructed has been shrouded by history. Still, bit by bit, archaeologists have been able to explain various mechanisms behind the building's construction.

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But what the Egyptians lacked in tools, they made up for with science and engineering precision. Smith explains that they developed and used the cubit rod to measure and lay out the dimensions of the pyramid; a square level to level horizontal surfaces, and a 3:4:5 framing square to create precision 90-degree angles.

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Huge stone blocks averaging over two tons in weight were mined in quarries and transported to the pyramid site. Egyptologists theorize that the workers used either rollers or slippery clay to drag the blocks from the quarries to their eventual placement on the pyramid. Construction of the larger pyramids took decades.

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Many people have said that the pyramids would last 1 million years or even until the world ended, but I'd say around 10,000 to 100,000 years based on current observations.

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While the pyramid was originally built by 4,000 workers over the course of 20 years using strength, sleds and ropes, building the pyramid today using stone-carrying vehicles, cranes and helicopters would probably take 1,500 to 2,000 workers around five years, and it would cost on the order of $5 billion, Houdin said, ...

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Egyptian antiquities officials say they have confirmed the existence of a hidden internal corridor above the main entrance of the Great Pyramid of Giza.

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They don't sink because they're built on solid limestone. If the ancient Egyptians were just amateurs building their huge monuments on sand, time would have erased all traces of them during the past 5000 years.

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At the time the Giza pyramid complex was built—between 2670 and 2500 BCE—the channel was about 40% as high as during the African Humid Period, a peak wet period more than 1,000 years prior. This earlier period saw relatively soggy conditions throughout northern Africa and a mostly green Sahara desert.

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In 2014 a small raptor skeleton was uncovered in a small section deep within The Great Pyramid of Giza. The skeleton is presumed to have been unearthed in the building process by the ancient Egyptians and placed into the pyramid due to it being an interesting find (4). All in all the Pyramids were built by people.

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Pyramids were built for religious purposes. The Egyptians were one of the first civilizations to believe in an afterlife. They believed that a second self called the ka lived within every human being. When the physical body expired, the ka enjoyed eternal life.

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In terms of function, most pyramids served a religious or spiritual purpose, often as tombs for rulers or as temples for gods.

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