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Northeast africa

Back to Africa: 5000 to 3000 B.C.

Out on the horn of Africa, men in Somalia were producing frank incense and myrrh for sale to Egypt as early as 3,000 B.C. The Cushitic-speaking people continued expansion south of Egypt and into Nubia. Due to the change in the Sahara climate, more Negro and Sudanic people settled just west of the Cushites (also Kushites), increasing the population there (Ref. 8 ) Additional Notes

A map of Egypt of this period may be found in the early pages of the next chapter. The exact dating of the various dynasties and eras of ancient Egypt continue to be debated.

NOTE: Insert Map taken from Reference 97 (page 61)

The dates used in this manuscript are those given by Professor Easton in The Heritage of the Past (Ref. 57 ) and these are fairly well coordinated with those used in The Columbia History of the World (Ref. 68 ) and other recent publications. The first stone constructed sepulchre of pyramidal design was built at Saqqara, near Memphis, during the reign of Zoser (also Djoser), an early king of the 3rd dynasty, between 2,700 and 2,630 B.C. This was called the "Step Pyramid" and was actually the creation of Imhotep, chief minister of the king, a man who was later deified. Recent desert studies would suggest that this step pyramid and the larger ones to follow were actually shaped after nature's own desert, wind-swept dunes of the western desert. Sand-stone and solid rock mountains and dunes all seem to have naturally assumed a conical shape, as the winds spiral about them to exhaust their energy at the pointed top. It is very possible that the man-made structures were modeled after these natural ones, and it is said that a rocky knoll of unknown size underlies the Great Pyramid and that there is a natural stone out-cropping at the tomb of Queen Khent-Kawes. It is thus suggested that the ancients not only simply enlarged and refined already existing natural conical structures, but that the very nature of these shapes have allowed them to withstand the winds and sand storms of all the ages since they were built

The conical shapes of primitive shelters from the American Indian tepees to African and Arabian Desert tents and Mongolian and Kazak yurts in central Asia may all resist the winds in the same way (Ref. 59 )
. Still more intriguing is the finding in the desert of forms very much like the sphinx, indicating that where constantly directed winds hit certain geological formations an unusual shape somewhat like that of a reclining dog with raised head, is formed.

Can the sphinx simply be a dressed-up natural formation of this type? Similar shapes have been found in the desert as far back as 1909 (Ref. 59 , 243 ) and there are suggestions of the same phenomenon in parts of Utah today. Copper mines were developed in the Sinai by Pharaoh Snefu, a successor of Zoser. He also used large ships to increase sea trade (Ref. 222 ).

Bronze was in use in Egypt by 3,000 B.C. and the great pyramids were started about 2,600 B.C. in the time of Cheops of the 4th dynasty

Thomas (Ref. 213 , page 32) dates the Great Pyramid at 2,900 B.C. and comments on its exactly squared base, the 50 degree slope of all surfaces and the fact that the stones are so well fitted together that a blade cannot be inserted between them
. Because of the fertility of the Nile flood basins in this 3rd millennium, the average peasant produced three times as much food as his family needed and thus he was capable of feeding the flood control workers and the builders of public buildings and Pharaoh’s tombs. The first wooden boats were made in exact imitation of the old reed boats. An entire such vessel of Cheops', dating to 2,700 B.C., has recently been excavated from his pyramid. It has a length of 143 feet and appears more graceful than a later Viking ship, but could only have been used for ceremonies on the smooth Nile, as it had no internal ribs and could not have survived ocean sailing. Only the papyrus ships from which it was copied could withstand the ocean waves.

Questions & Answers

Application of nanotechnology in medicine
what is variations in raman spectra for nanomaterials
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Crow Reply
what about nanotechnology for water purification
RAW Reply
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Damian
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Professor
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Professor
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Rafiq
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
Damian
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LITNING Reply
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LITNING
scanning tunneling microscope
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what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
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if virus is killing to make ARTIFICIAL DNA OF GRAPHENE FOR KILLED THE VIRUS .THIS IS OUR ASSUMPTION
Anam
analytical skills graphene is prepared to kill any type viruses .
Anam
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
Bob
The nanotechnology is as new science, to scale nanometric
brayan
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
Damian
Is there any normative that regulates the use of silver nanoparticles?
Damian Reply
what king of growth are you checking .?
Renato
What fields keep nano created devices from performing or assimulating ? Magnetic fields ? Are do they assimilate ?
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biomolecules are e building blocks of every organics and inorganic materials.
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research.net
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Introduction about quantum dots in nanotechnology
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Source:  OpenStax, A comprehensive outline of world history (organized by region). OpenStax CNX. Nov 23, 2009 Download for free at http://cnx.org/content/col10597/1.2
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