Talking Pyramids: Ancient Egyptian Pyramids

Here is another article from Assem Deif, professor of mathematics at Cairo University and Misr University for Science and Technology.

The 8-sided pyramid - Al-Ahram
This time Assem looks at the great pyramid from a mathematical perspective.
“What about the Egyptian value for the Golden Ratio Phi? In calculating the hypotenuse of the triangle of base 220c and [...]

The pyramids of Giza during a sandstorm.

The debate over whether or not the pyramid builders used a type of limestone cement to construct the pyramids continues. Just in the last couple of weeks a rebuttal of the ‘cement pyramid’ theory by Ioannis Liritzis and his colleagues from the University of the Aegean and the University of Athens has been all [...]

There has been a lot of buzz in the news recently about the pyramid containing blocks made from cement. First made public by Davidovits, the theory has more recently received support from material scientists such as Michael Barsoum who’s article appeared in the scientific magazine Nature vol. 444 in December 2006. Now Linn [...]

Performance in front of the Pyramids. Photo from http://english.donga.com/

Performers in traditional Egyptian garments rehearse for the “Show for Sound and light” on Thursday in front of pyramids in Giza, Egypt, playing drums and bagpipes. The similar shows using light and sound are currently being held at another three sites in Egypt. The performance takes 50 [...]

Houdin’s Internal Ramp

French Architect Jean-Pierre Houdin has a revolutionary theory on how the pyramids were built.
He looked at the three main existing theories: the large long straight ramp used to drag the stone up on sleds or rolled on logs, the wooden ‘machines’ mentioned by Herodotus & the spiral ramp theory.
None of [...]

Were the pyramids made of concrete?

The question of how the ancient Egyptian pyramids were built is one that has occupied the minds of many for thousands of years. Many interesting theories have been developed over that time and one that has recently made the news is that of the concrete pyramid.
In today’s article we’ll [...]