1.
Nile
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The Nile is a major north-flowing river in northeastern Africa. It is generally regarded as the longest river in the world, in particular, the Nile is the primary water source of Egypt and Sudan. The Nile has two tributaries, the White Nile and Blue Nile. The White Nile is considered to be the headwaters and primary stream of the Nile itself, the Blue Nile, however, is the source of most of the water and silt. The White Nile is longer and rises in the Great Lakes region of central Africa and it flows north through Tanzania, Lake Victoria, Uganda and South Sudan. The Blue Nile begins at Lake Tana in Ethiopia and flows into Sudan from the southeast, the two rivers meet just north of the Sudanese capital of Khartoum. The northern section of the river flows north almost entirely through the Sudanese desert to Egypt, then ends in a large delta, Egyptian civilization and Sudanese kingdoms have depended on the river since ancient times. Most of the population and cities of Egypt lie along those parts of the Nile valley north of Aswan, in the ancient Egyptian language, the Nile is called Ḥpī or Iteru, meaning river. In Coptic, the words piaro or phiaro meaning the river come from the ancient name. The English name Nile and the Arabic names en-Nîl and an-Nîl both derive from the Latin Nilus and the Ancient Greek Νεῖλος, beyond that, however, the etymology is disputed. One possible etymology derives it from a Semitic Nahal, meaning river, the standard English names White Nile and Blue Nile, to refer to the rivers source, derive from Arabic names formerly applied only to the Sudanese stretches which meet at Khartoum. Above Khartoum, the Nile is also known as the White Nile, at Khartoum the river is joined by the Blue Nile. The White Nile starts in equatorial East Africa, and the Blue Nile begins in Ethiopia, both branches are on the western flanks of the East African Rift. The drainage basin of the Nile covers 3,254,555 square kilometers, the source of the Nile is sometimes considered to be Lake Victoria, but the lake has feeder rivers of considerable size. It is either the Ruvyironza, which emerges in Bururi Province, Burundi, or the Nyabarongo, the two feeder rivers meet near Rusumo Falls on the Rwanda-Tanzania border. Gish Abay is reportedly the place where the water of the first drops of the Blue Nile develop. The Nile leaves Lake Nyanza at Ripon Falls near Jinja, Uganda and it flows north for some 130 kilometers, to Lake Kyoga. For the remaining part it flows westerly through the Murchison Falls until it reaches the very northern shores of Lake Albert where it forms a significant river delta
2.
Egyptian hieroglyphs
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Egyptian hieroglyphs were the formal writing system used in Ancient Egypt. It combined logographic, syllabic and alphabetic elements, with a total of some 1,000 distinct characters, cursive hieroglyphs were used for religious literature on papyrus and wood. The later hieratic and demotic Egyptian scripts are derived from hieroglyphic writing, the writing system continued to be used throughout the Late Period, as well as the Persian and Ptolemaic periods. Late survivals of hieroglyphic use are found well into the Roman period, with the closing of pagan temples in the 5th century, knowledge of hieroglyphic writing was lost, and the script remained undeciphered throughout the medieval and early modern period. The decipherment of hieroglyphs would only be solved in the 1820s by Jean-François Champollion, the word hieroglyph comes from the Greek adjective ἱερογλυφικός, a compound of ἱερός and γλύφω, supposedly a calque of an Egyptian phrase mdw·w-nṯr gods words. The glyphs themselves were called τὰ ἱερογλυφικὰ γράμματα the sacred engraved letters, the word hieroglyph has become a noun in English, standing for an individual hieroglyphic character. As used in the sentence, the word hieroglyphic is an adjective. Hieroglyphs emerged from the artistic traditions of Egypt. For example, symbols on Gerzean pottery from c.4000 BC have been argued to resemble hieroglyphic writing, proto-hieroglyphic symbol systems develop in the second half of the 4th millennium BC, such as the clay labels of a Predynastic ruler called Scorpion I recovered at Abydos in 1998. The first full sentence written in hieroglyphs so far discovered was found on a seal found in the tomb of Seth-Peribsen at Umm el-Qaab. There are around 800 hieroglyphs dating back to the Old Kingdom, Middle Kingdom, by the Greco-Roman period, there are more than 5,000. However, given the lack of evidence, no definitive determination has been made as to the origin of hieroglyphics in ancient Egypt. Since the 1990s, and discoveries such as the Abydos glyphs, as writing developed and became more widespread among the Egyptian people, simplified glyph forms developed, resulting in the hieratic and demotic scripts. These variants were more suited than hieroglyphs for use on papyrus. Hieroglyphic writing was not, however, eclipsed, but existed alongside the other forms, especially in monumental, the Rosetta Stone contains three parallel scripts – hieroglyphic, demotic, and Greek. Hieroglyphs continued to be used under Persian rule, and after Alexander the Greats conquest of Egypt, during the ensuing Ptolemaic and Roman periods. It appears that the quality of comments from Greek and Roman writers about hieroglyphs came about, at least in part. Some believed that hieroglyphs may have functioned as a way to distinguish true Egyptians from some of the foreign conquerors, another reason may be the refusal to tackle a foreign culture on its own terms, which characterized Greco-Roman approaches to Egyptian culture generally
3.
Elephantine
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Elephantine is an island on the Nile, forming part of the city of Aswan in southern Egypt. There are archaeological sites on the island, Elephantine island is 1,200 metres from north to south, and is 400 metres across at its widest point. The layout of this and other islands in Aswan can be seen from west bank hillsides along the Nile. The island is located just downstream of the First Cataract, at the border of Upper Egypt with Lower Nubia. This region above is referred to as Upper Egypt due to land and river elevations being higher than downstream, and than the Nile Delta region to the Mediterranean Sea. The island may have received its name after its shape, which in aerial views is similar to that of an elephant tusk and this is the meaning of the Greek word elephas. Known to the Ancient Egyptians as Abu or Yebu, the island of Elephantine stood at the border between Egypt and Nubia and it was an excellent defensive site for a city and its location made it a natural cargo transfer point for river trade. Elephantine was a fort that stood just before the first cataract of the Nile, during the Second Intermediate Period, the fort marked the southern border of Egypt. According to Egyptian mythology, here was the place of Khnum, the ram-headed god of the cataracts. He was worshipped here as part of a late triad among the Egyptian pantheon of deities, the Elephantine Triad included Satis and Anuket. Satis was worshipped from very early times as a war goddess, when seen as a fertility goddess, she personified the bountiful annual flooding of the Nile, which was identified as her daughter, Anuket. The cult of Satis originated in the ancient city of Swenet, later, when the triad was formed, Khnum became identified as her consort and, thereby, was thought of as the father of Anuket. His role in myths changed later and another deity was assigned his duties with the river, at that time his role as a potter enabled him to be assigned a duty in the creation of human bodies. Ongoing excavations by the German Archaeological Institute at the town have uncovered many findings, on display in the Aswan Museum located on the island, artifacts dating back to predynastic times have been found on Elephantine. A rare calendar, known as the Elephantine Calendar of Things, in ancient times, the island was also an important stone quarry providing granite materials that would be transported widely within Egypt for monuments and buildings. Prior to 1822, there were temples to Thutmose III and Amenhotep III on the island, at that time they were destroyed during the campaign of Muhammad Ali, who had taken power in Egypt, to Conquer Sudan. Both temples were relatively intact prior to the deliberate demolition, the first temple was the Temple of Satet, it was founded around 3000 BC and enlarged and renovated over the next 3000 years. There are records of an Egyptian temple to Khnum on the island as early as the third Dynasty of Egypt and this temple was completely rebuilt in the Late Period, during the thirtieth dynasty of Egypt, just before the foreign rule that followed in the Graeco-Roman Period
4.
Potter's wheel
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In pottery, a potters wheel is a machine used in the shaping of round ceramic ware. The wheel may also be used during the process of trimming the excess body from dried ware, use of the potters wheel became widespread throughout the Old World but was unknown in the Pre-Columbian New World, where pottery was handmade by methods that included coiling and beating. A potters wheel may occasionally be referred to as a potters lathe, however, that term is better used for another kind of machine that is used for a different shaping process, turning, similar to that used for shaping of metal and wooden articles. The jigger tool shapes one face, the mould the other, the term is specific to the shaping of flat ware, such as plates, whilst a similar technique, jolleying, refers to the production of hollow ware, such as cups. Much early ceramic ware was hand-built using a coiling technique in which clay was rolled into long threads that were then pinched. In the coiling method of construction, all the required to form the main part of a piece is supplied indirectly by the hands of the potter. Early ceramics built by coiling were often placed on mats or large leaves to allow them to be worked more conveniently, the evidence of this lies in mat or leaf impressions left in the clay of the base of the pot. This arrangement allowed the potter to rotate the vessel during construction, the earliest forms of the potters wheel were probably developed as an extension to this procedure. Tournettes, in use around 4500 BC in the Near East, were turned slowly by hand or by foot while coiling a pot, only a small range of vessels were fashioned on the tournette, suggesting that it was used by a limited number of potters. The introduction of the wheel increased the efficiency of hand-powered pottery production. In the mid to late 3rd millennium BC the fast wheel was developed and it utilised energy stored in the rotating mass of the heavy stone wheel itself to speed the process. This wheel was wound up and charged with energy by kicking, or pushing it around with a stick, providing a centrifugal force. The fast wheel enabled a new process of pottery-making to develop, called throwing, in which a lump of clay was placed centrally on the wheel, potters could now produce many more pots per hour, a first step towards industrialization. Many modern scholars suggest that the first potters wheel was first developed in Mesopotamia, however, southeastern Europe and China have also been claimed as possible places of origin. Furthermore, the wheel was also in use by potters starting around 3500 BC in major cities of the Indus Valley civilization in South Asia, namely Harappa. Others consider Egypt as being the place of origin of the potters wheel and it was here that the turntable shaft was lengthened about 3000 BC and a flywheel added. The flywheel was kicked and later was moved by pulling the edge with the hand while forming the clay with the right. This led to the motion for the potters wheel which is almost universal
5.
Neith
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Neith was an early goddess in the Egyptian pantheon. She was the deity of Sais, where her cult was centered in the Western Nile Delta of Egypt. The Ancient Egyptian name of city was Zau. Neith was a goddess of war and of hunting and had as her symbol, however, she is a far more complex goddess than is generally known, and of whom ancient texts only hint of her true nature. In her usual representations, she is portrayed as a fierce deity and her symbol also identified the city of Sais. This symbol was displayed on top of her head in Egyptian art, in her form as a goddess of war, she was said to make the weapons of warriors and to guard their bodies when they died. As a deity, Neith is normally shown carrying the was scepter and she is also called such cosmic epithets as the Cow of Heaven, a sky-goddess similar to Nut, and as the Great Flood, Mehet-Weret, as a cow who gives birth to the sun daily. In these forms, she is associated with creation of both the time and daily re-creation. She is identified as a mother goddess in this role as a creator. As a female deity and personification of the waters, Neith encompasses masculine elements. She is a version of Ptah-Nun, with her feminine nature complemented with masculine attributes symbolized with her association with the bow and arrow. In the same manner, her personification as the waters is Mehetweret. Neith is one of the most ancient deities associated with ancient Egyptian culture and her first anthropomorphic representations occur in the early dynastic period, on a diorite vase of King Ny-Netjer of the Second Dynasty, found in the Step Pyramid of Djoser at Saqqara. That her worship predominated the early dynastic periods is shown by a preponderance of theophoric names within which Neith appears as an element. It has been suggested the hunt/war features of Neith’s imagery may indicate her origin from Libya, located west and southwest of Egypt, while Neith is generally regarded as a deity of Lower Egypt, her worship was not consistently located in that region. Her cult reached its height in Saïs and apparently in Memphis in the Old Kingdom, however, the cult regained political and religious prominence during the 26th Dynasties when worship at Saïs flourished again, as well as at Esna in Upper Egypt. Neiths symbol and part of her hieroglyph also bore a resemblance to a loom, at this time her role as a creator conflated with that of Athena, as a deity who wove all of the world and existence into being on her loom. As mother of Ra, in her Mehet-Weret form, she was described as the Great Cow who gave birth to Ra
6.
Ancient Egyptian religion
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Ancient Egyptian religion was a complex system of polytheistic beliefs and rituals which were an integral part of ancient Egyptian society. It centered on the Egyptians interaction with many deities who were believed to be present in, and in control of, rituals such as prayers and offerings were efforts to provide for the gods and gain their favor. Formal religious practice centered on the pharaoh, the king of Egypt and he acted as the intermediary between his people and the gods and was obligated to sustain the gods through rituals and offerings so that they could maintain order in the universe. The state dedicated enormous resources to Egyptian rituals and to the construction of the temples, individuals could interact with the gods for their own purposes, appealing for their help through prayer or compelling them to act through magic. These practices were distinct from, but closely linked with, the formal rituals, the popular religious tradition grew more prominent in the course of Egyptian history as the status of the Pharaoh declined. Another important aspect was the belief in the afterlife and funerary practices, the Egyptians made great efforts to ensure the survival of their souls after death, providing tombs, grave goods, and offerings to preserve the bodies and spirits of the deceased. The religion had its roots in Egypts prehistory and lasted for more than 3,000 years, the details of religious belief changed over time as the importance of particular gods rose and declined, and their intricate relationships shifted. At various times, certain gods became preeminent over the others, including the sun god Ra, the creator god Amun, for a brief period, in the theology promulgated by the Pharaoh Akhenaten, a single god, the Aten, replaced the traditional pantheon. Ancient Egyptian religion and mythology left behind many writings and monuments, along with significant influences on ancient, the beliefs and rituals now referred to as ancient Egyptian religion were integral within every aspect of Egyptian culture. Their language possessed no single term corresponding to the modern European concept of religion, the characteristics of the gods who populated the divine realm were inextricably linked to the Egyptians understanding of the properties of the world in which they lived. The Egyptians believed that the phenomena of nature were divine forces in and these deified forces included the elements, animal characteristics, or abstract forces. The Egyptians believed in a pantheon of gods, which were involved in all aspects of nature and their religious practices were efforts to sustain and placate these phenomena and turn them to human advantage. This polytheistic system was complex, as some deities were believed to exist in many different manifestations. Conversely, many forces, such as the sun, were associated with multiple deities. The diverse pantheon ranged from gods with vital roles in the universe to minor deities or demons with very limited or localized functions. It could include gods adopted from foreign cultures, and sometimes humans, deceased Pharaohs were believed to be divine, and occasionally, distinguished commoners such as Imhotep also became deified. The depictions of the gods in art were not meant as representations of how the gods might appear if they were visible. Instead, these depictions gave recognizable forms to the deities by using symbolic imagery to indicate each gods role in nature
7.
Human
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Modern humans are the only extant members of Hominina tribe, a branch of the tribe Hominini belonging to the family of great apes. Several of these hominins used fire, occupied much of Eurasia and they began to exhibit evidence of behavioral modernity around 50,000 years ago. In several waves of migration, anatomically modern humans ventured out of Africa, the spread of humans and their large and increasing population has had a profound impact on large areas of the environment and millions of native species worldwide. Humans are uniquely adept at utilizing systems of communication for self-expression and the exchange of ideas. Humans create complex structures composed of many cooperating and competing groups, from families. Social interactions between humans have established a wide variety of values, social norms, and rituals. These human societies subsequently expanded in size, establishing various forms of government, religion, today the global human population is estimated by the United Nations to be near 7.5 billion. In common usage, the word generally refers to the only extant species of the genus Homo—anatomically and behaviorally modern Homo sapiens. In scientific terms, the meanings of hominid and hominin have changed during the recent decades with advances in the discovery, there is also a distinction between anatomically modern humans and Archaic Homo sapiens, the earliest fossil members of the species. The English adjective human is a Middle English loanword from Old French humain, ultimately from Latin hūmānus, the words use as a noun dates to the 16th century. The native English term man can refer to the species generally, the species binomial Homo sapiens was coined by Carl Linnaeus in his 18th century work Systema Naturae. The generic name Homo is a learned 18th century derivation from Latin homō man, the species-name sapiens means wise or sapient. Note that the Latin word homo refers to humans of either gender, the genus Homo evolved and diverged from other hominins in Africa, after the human clade split from the chimpanzee lineage of the hominids branch of the primates. The closest living relatives of humans are chimpanzees and gorillas, with the sequencing of both the human and chimpanzee genome, current estimates of similarity between human and chimpanzee DNA sequences range between 95% and 99%. The gibbons and orangutans were the first groups to split from the leading to the humans. The splitting date between human and chimpanzee lineages is placed around 4–8 million years ago during the late Miocene epoch, during this split, chromosome 2 was formed from two other chromosomes, leaving humans with only 23 pairs of chromosomes, compared to 24 for the other apes. There is little evidence for the divergence of the gorilla, chimpanzee. Each of these species has been argued to be an ancestor of later hominins
8.
Clay
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Clay is a fine-grained natural rock or soil material that combines one or more clay minerals with traces of metal oxides and organic matter. Geologic clay deposits are composed of phyllosilicate minerals containing variable amounts of water trapped in the mineral structure. Clays are plastic due to water content and become hard, brittle. Depending on the content in which it is found, clay can appear in various colours from white to dull grey or brown to deep orange-red. Although many naturally occurring deposits include both silts and clay, clays are distinguished from other fine-grained soils by differences in size, silts, which are fine-grained soils that do not include clay minerals, tend to have larger particle sizes than clays. There is, however, some overlap in size and other physical properties. The distinction between silt and clay varies by discipline, geologists and soil scientists usually consider the separation to occur at a particle size of 2 µm, sedimentologists often use 4–5 μm, and colloid chemists use 1 μm. Geotechnical engineers distinguish between silts and clays based on the plasticity properties of the soil, as measured by the soils Atterberg limits, ISO14688 grades clay particles as being smaller than 2 μm and silt particles as being larger. These solvents, usually acidic, migrate through the rock after leaching through upper weathered layers. In addition to the process, some clay minerals are formed through hydrothermal activity. There are two types of deposits, primary and secondary. Primary clays form as residual deposits in soil and remain at the site of formation, secondary clays are clays that have been transported from their original location by water erosion and deposited in a new sedimentary deposit. Clay deposits are associated with very low energy depositional environments such as large lakes. Depending on the source, there are three or four main groups of clays, kaolinite, montmorillonite-smectite, illite, and chlorite. Chlorites are not always considered to be a clay, sometimes being classified as a group within the phyllosilicates. There are approximately 30 different types of clays in these categories. Varve is clay with visible annual layers, which are formed by deposition of those layers and are marked by differences in erosion. This type of deposit is common in glacial lakes
9.
Esna
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Esna, known to the ancient Egyptians as Egyptian, Iunyt or Ta-senet, Coptic, ⲥⲛⲏ, which derives from Ta-senet, Greek, Λατόπολις or πόλις Λάτων or Λάττων, Latin, Lato, is a city in Egypt. It is located on the west bank of the River Nile, the town was formerly part of the modern Qena Governorate, but as of 9/12/2009, has been incorporated into the new Luxor Governorate. This city of Latopolis in the Thebaid region of Upper Egypt should not be confused with the more northerly city of Letopolis, ancient Khem, modern Ausim, held sacred, the Lates niloticus was buried in a cemetery west of the town. The tutelary deities of Latopolis seem to have been the triad – Khnum and Neith, the temple of Esna, dedicated to this triad, was remarkable for the beauty of its site and the magnificence of its architecture. It was built of red sandstone, and its portico consisted of six rows of four each, with lotus-leaf capitals. Another temple of the period has been identified at Kom Mer, about 12 km to the south. There was a temple, dedicated to the triad of Latopolis. Here, too, is a small Zodiac of the age of Ptolemy III Euergetes and this latter building was destroyed in the 19th century, as it stood in the way of a new canal. The temple of Esna was cleared of the soil and rubbish which filled its area when Denon visited it, and served as a cotton warehouse in the mid-19th century. With the exception of the jamb of a gateway – now converted into a door-sill – of the reign of Thutmose II, the name of Ptolemy V Epiphanes is found also inscribed upon a doorway. Although the scale of the ruins are impressive, their sculptures, the west wall features reliefs of Ptolemy VI Philometor and Ptolemy VIII Physcon. On the ceiling of the pronaos is the larger Latopolitan Zodiac, the name of the emperor Geta, the last ruler that can be read in hieroglyphics, although partially erased by his brother and murderer Caracalla, is still legible on the walls of Latopolis. Before raising their own edifice, the Romans seem to have destroyed even the basements of the earlier Egyptian temple, the ceremonial way, which probably linked the quay to the temple, has disappeared. The quay bears cartouches of Marcus Aurelius, the cemetery west of the town, where the Lates niloticus was buried, also contains human burials dating of the Middle Kingdom to the Late Period. The Temple of Esna conveys a sense of the importance which the Ancient Egyptians placed upon their places of worship, all Egyptians who entered the confines of an Egyptian temple were required to comply with the strict rules regarding ritual purity. Two barrage bridges straddle the Nile at this point, one built by the British in 1906, navigation, particularly, Nile cruisers ferrying tourists from Luxor to Aswan 155 km further upstream, can be held up for hours while vessels negotiate their way through the lock system. The two main points of interest in Esna are its lively tourist-oriented market, which fills a couple of streets leading inland from the corniche, the other is the temple of Esna. The temple, which has only partially excavated, is about 200 meters from the river
10.
Khufu
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Khufu, originally Khnum-Khufu, is the birth name of an ancient Egyptian pharaoh, who ruled during the Fourth Dynasty in the first half of the Old Kingdom period. Khufu was the pharaoh of the 4th dynasty, he followed his possible father, king Sneferu. He is generally accepted as having commissioned the Great Pyramid of Giza, one of the Seven Wonders of the Ancient World, the only completely preserved portrait of the king is a three-inch high ivory figurine found in a temple ruin of later period at Abydos in 1903. All other reliefs and statues were found in fragments and many buildings of Khufu are lost, everything known about Khufu comes from inscriptions in his necropolis at Giza and later documents. For example, Khufu is the actor of the famous Papyrus Westcar from the 13th dynasty. Most documents that mention king Khufu were written by ancient Egyptian, thanks to these documents, an obscure and critical picture of Khufus personality persists. Khufus name was dedicated to the earth deity Khnum, which point to an increase of Khnums popularity. Khufu may have viewed himself as a creator, a role that was already given to Khnum. As a consequence, the king connected Khnums name with his own, interestingly, the pharaoh officially used two versions of his birth name, Khnum-khuf and Khufu. The first version clearly exhibits Khufus religious loyalty to Khnum, the version does not. It is unknown as to why the king would use a shortened version, since it hides the name of Khnum. It might be possible though, that the name wasnt meant to be connected to any god at all. Khufu is well known under his Hellenized name Khêops or Cheops and less well known under another Hellenized name, a rare version of the name of Khufu, used by Josephus, is Sofe. Arab historians, who wrote stories about Khufu and the Giza pyramids. The royal family of Khufu was quite large and it is uncertain if Khufu was actually the biological son of Sneferu. Mainstream Egyptologists believe Sneferu was Khufus father, but only because it was handed down by historians that the eldest son or a selected descendant would inherit the throne. In 1925 the tomb of queen Hetepheres I, G 7000x, was found east of Khufus pyramid and it contained many precious grave goods, and several inscriptions give her the title Mut-nesut, together with the name of king Sneferu. Therefore, it seemed clear at first that Hetepheres was the wife of Sneferu, more recently, however, some have doubted this theory, because Hetepheres is not known to have borne the title Hemet-nesut, a title indispensable to confirm a queens royal status
11.
Great Pyramid of Giza
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The Great Pyramid of Giza is the oldest and largest of the three pyramids in the Giza pyramid complex bordering what is now El Giza, Egypt. It is the oldest of the Seven Wonders of the Ancient World, initially at 146.5 metres, the Great Pyramid was the tallest man-made structure in the world for more than 3,800 years. Originally, the Great Pyramid was covered by casing stones that formed an outer surface. Some of the stones that once covered the structure can still be seen around the base. There have been varying scientific and alternative theories about the Great Pyramids construction techniques, most accepted construction hypotheses are based on the idea that it was built by moving huge stones from a quarry and dragging and lifting them into place. There are three chambers inside the Great Pyramid. The lowest chamber is cut into the bedrock upon which the pyramid was built and was unfinished, the so-called Queens Chamber and Kings Chamber are higher up within the pyramid structure. It is believed the pyramid was built as a tomb for Fourth Dynasty Egyptian pharaoh Khufu and was constructed over a 20-year period, Khufus vizier, Hemiunu, is believed by some to be the architect of the Great Pyramid. It is thought that, at construction, the Great Pyramid was originally 280 Egyptian cubits tall, each base side was 440 cubits,230.4 metres long. The mass of the pyramid is estimated at 5.9 million tonnes, the volume, including an internal hillock, is roughly 2,500,000 cubic metres. Based on these estimates, building the pyramid in 20 years would involve installing approximately 800 tonnes of stone every day, the first precision measurements of the pyramid were made by Egyptologist Sir Flinders Petrie in 1880–82 and published as The Pyramids and Temples of Gizeh. Almost all reports are based on his measurements, many of the casing stones and inner chamber blocks of the Great Pyramid fit together with extremely high precision. Based on measurements taken on the casing stones, the mean opening of the joints is only 0.5 millimetre wide. The pyramid remained the tallest man-made structure in the world for over 3,800 years, the accuracy of the pyramids workmanship is such that the four sides of the base have an average error of only 58 millimetres in length. The base is horizontal and flat to within ±15 mm, the ratio of the perimeter to height of 1760/280 royal cubits equates to 2π to an accuracy of better than 0. 05%. Some Egyptologists consider this to have been the result of deliberate design proportion, verner wrote, We can conclude that although the ancient Egyptians could not precisely define the value of π, in practice they used it. Petrie, author of Pyramids and Temples of Gizeh concluded, but these relations of areas, others have argued that the Ancient Egyptians had no concept of pi and would not have thought to encode it in their monuments. They believe that the observed pyramid slope may be based on a simple seked slope choice alone, with no regard to the overall size, in 2013 rolls of papyrus were discovered written by some of those who delivered stone and other construction materials to Khufus brother at Giza
12.
Egyptian temple
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Egyptian temples were built for the official worship of the gods and in commemoration of the pharaohs in ancient Egypt and regions under Egyptian control. Temples were seen as houses for the gods or kings to whom they were dedicated and these rituals were seen as necessary for the gods to continue to uphold maat, the divine order of the universe. Housing and caring for the gods were the obligations of pharaohs, nevertheless, a temple was an important religious site for all classes of Egyptians, who went there to pray, give offerings, and seek oracular guidance from the god dwelling within. The most important part of the temple was the sanctuary, which contained a cult image. These edifices are among the largest and most enduring examples of Egyptian architecture and their typical design consisted of a series of enclosed halls, open courts, and massive entrance pylons aligned along the path used for festival processions. Beyond the temple proper was a wall enclosing a wide variety of secondary buildings. A large temple also owned sizable tracts of land and employed thousands of laymen to supply its needs, temples were therefore key economic as well as religious centers. The priests who managed these powerful institutions wielded considerable influence, temple-building in Egypt continued despite the nations decline and ultimate loss of independence to the Roman Empire. With the coming of Christianity, however, Egyptian religion faced increasing persecution, for centuries, the ancient buildings suffered destruction and neglect. Dozens of temples survive today, and some have become world-famous tourist attractions that contribute significantly to the modern Egyptian economy, Egyptologists continue to study the surviving temples and the remains of destroyed ones, as they are invaluable sources of information about ancient Egyptian society. Ancient Egyptian temples were meant as places for the gods to reside on earth, indeed, the term the Egyptians most commonly used to describe the temple building, ḥwt-nṯr, means mansion of a god. A gods presence in the temple linked the human and divine realms and these rituals, it was believed, sustained the god and allowed it to continue to play its proper role in nature. They were therefore a key part of the maintenance of maat, maintaining maat was the entire purpose of Egyptian religion, and it was the purpose of a temple as well. Because he was credited with divine power himself, the pharaoh, as a king, was regarded as Egypts representative to the gods. Thus, it was theoretically his duty to perform the temple rites, the pharaoh was nevertheless obligated to maintain, provide for, and expand the temples throughout his realm. Although the pharaoh delegated his authority, the performance of rituals was still an official duty. The participation of the populace in most ceremonies was prohibited. Much of the lay religious activity in Egypt instead took place in private and community shrines, however, as the primary link between the human and divine realms, temples attracted considerable veneration from ordinary Egyptians
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