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25 years ago (I hope this is sufficiently close to today) in Quarks & Co, a German TV science format, they analysed what it would take to build the Cheops pyramid in Cologne. It would take 10 month for the concrete foundation and 5 years for the lower two third of the pyramid. Use of modern technology makes it possible to place one stone every 20 seconds, which is triple the rate ancient egypt workers supposedly aceived. So I guess it would take 6-7 years in total.
Um, maybe Im missing something.. you think ancient Egyptians placed one stone every minute? So 60 stones per hour??
They actually don't know, but mathematically in order for them to build it within the historical time constraints, it had to have been done one block per minute.
Which some say is impossible with the technology they had, sparking conversation that there's more to the history of the pyramids than we think.
1 minute = 60 seconds
60 / 3 = 20
1/20s is 3 times the speed of 1/60s
Yes, I just checked again (~ 21:25), they claim to place one stone every 20 s which is supposedly three times faster than the ancient egyptians did. However, they did not place one stone at a time, but several at different positions.
Estimated for 20 year construction time: 2.6 million stones/(20 y × 365 d/y × 12 h/d) = 30 stones/h
Some claim it possibly took only 10 to 15 years.