Cool experiments in chem c3000
Encryption – One of the earliest forms of encryption is symbol replacement, which was first found in the tomb of Khnumhotep II, who lived in 1900 B.C.Police Dogs and War Dogs were used by the Egyptians as early as 4000 B.C.One early silver dagger was recovered with midrib design. 3100 BC) daggers were adorned as ceremonial objects with golden hilts and later even more ornate and varied construction.
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Siege towers – Moving siege towers were invented in Egypt during the First Intermediate Period.Battering rams – The earliest depiction of a possible battering ram is from the tomb of the 11th Dynasty noble Khety, where a pair of soldiers advance towards a fortress under the protection of a mobile roofed structure, carrying a long pole that may represent a simple battering ram.Escalade – Escalades appeared as early as the Middle Kingdom.Arrowslit – Loop holes are found for the first time in some Middle kingdom forts.Battlements – Another feature of the Buhen fortress the construction of the world's oldest battlements.Draw bridge – The fortress of Buhen contains the oldest known drawbridges.was found on the walls of the fortress of Buhen. Catapult – A Catapult dating to the 19th century b.c.Fortification – The world's first known fort is the fort of Tell El Sakan dating to the late predynastic period.Military scribe and battle recording – The first well documented battle in the history of the world is the Battle of Megiddo.Military organization - As early as the Old Kingdom (c.2686–2160 BC) Egypt used specific military units, with military hierarchy appearing in the Middle Kingdom (c.2055–1650 BC).Standing Army – Continuous warfare led to the establishment of a Standing Army dating back to at least the Middle Kingdom.Since that time, a variety of community banking models have evolved.
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This practice has existed in some form for centuries in ancient Egypt, for example, when grain was often used as currency, local granaries would store and distribute the community's food supply. This tends to mean that the individuals in a neighborhood or group have more control over who is receiving the capital and how that capital is being spent. Unlike banks or other classic lending institutions, the funds that community banks lend to borrowers are gathered by the local community itself. Community banking models – Community banking is a non-traditional form of money-lending.The artisans of the Royal Necropolis at Deir el-Medina walked off their jobs because they had not been paid. Strike action – The first historically certain account of strike action was towards the end of the 20th Dynasty, under Pharaoh Ramses III in ancient Egypt on 14 November in 1152 BC.Tablet of one of the earliest recorded treaties in history, Treaty of Kadesh, at the Istanbul Archaeology Museum