'Scientists say mystery behind ancient Egyptian pyramids unraveled' [PressTV]
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Scientists say they've finally solved the mystery of how ancient Egyptians built the pyramids all those centuries ago.
After years of calculations, Dutch researchers now suggest that ancient Egyptians simply used wet sand. Back in the day, heavy objects were allegedly placed on a sledge and were pulled by hundreds of workers. The workers then poured water on the sand in front of it. Experiments at the University of Amsterdam have proved that the correct amount of wetness in the sand halves the needed pulling force. The new research could also have a modern-day use. It can help improve the transport and processing of granular material.