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Be Smart منتشر شده در تاریخ 1396/03/12

3.1 میلیون بار بازدید - 7 سال پیش - Try 23andMe: http://www.23andme.com/okay Enjoy this

Try 23andMe: http://www.23andme.com/okay Enjoy this video? SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓More info and sources below ↓↓↓ Who built the pyramids? The colossal geometric monuments found at Giza and elsewhere in Egypt are some of Earth’s most impressive constructions. Pyramids are truly wonders of the ancient and modern world. But when the pyramids were built, the ancient Egyptians hadn’t invented the wheel, developed bronze tools, or discovered pi. How were they able to stack two million stone blocks, each weighing more than two tons, into precise geometric alignments that would survive more than 4,000 years and capture the imaginations of explorers throughout history? They did it the same way we always have: by trial and error. The true history of the pyramids is one of experimentation and science, not magic… or aliens. ----------- REFERENCES: Lehner, M. (1997). The complete pyramids. Thames and Hudson. Parry, D. (2005). Engineering the pyramids. The History Press. Verner, M. (2003). The pyramids: their archaeology and history. Atlantic. Verner, M. (2007). The Pyramids: The Mystery, Culture, and Science of Egypt's Great Monuments. Grove/Atlantic, Inc.. ----------- FOLLOW US: Patreon: https://www.patreon.com/itsokaytobesmart Merch: Facebook: http://www.facebook.com/itsokaytobesmart Twitter/Instagram: @okaytobesmart @DrJoeHanson http://www.itsokaytobesmart.com/ ----------- It’s Okay To Be Smart is hosted by Joe Hanson, Ph.D. Director: Joe Nicolosi Writer: Joe Hanson Producer/editor/animator: Andrew Orsak Producer: Stephanie Noone and Amanda Fox Produced by PBS Digital Studios Music via APM Stock images from Shutterstock http://www.shutterstock.com/

7 سال پیش در تاریخ 1396/03/12 منتشر شده است.

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