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Contents contributed and discussions participated by anna g

anna g

Ancient Egyptian Inventions - 7 views

shared by anna g on 04 Nov 11 - No Cached
  • Paper was another remarkable invention the Egyptians came up with. Their paper was made out of papyrus, a plant very abundant in the Nile area. First they had to slice the core of the stalk into very fine pieces. These pieces get submerged in water to remove sugar. The they are pounded to drain the water. The strips are  then lay side by side and are weaved into each other. The end result is papyrus paper. In fact, the English word “paper” is derived from the word papyrus.
    • anna g
       
      they invented paper
  • papyrus.                                                                                      
  • Locks were another making of the Egyptians. These were made to prevent the endless robberies. They made a wooden crossbar that was almost entirely enclose except for some space for the key and the pins. They dropped these pins into cavities, which locked the door. To unlock it, they slid the key into the opening, which pushed the pins out of the way, enabling the door to open.            
    • anna g
       
      they made locks
anna g

All About Egyptian Inventions - 2 views

shared by anna g on 14 Nov 11 - No Cached
  • The water clock was an invention that was very valuable to the religious leaders of Egypt. The citizens of Egypt weren't too concerned about clocks for their own time. So why would they need clocks? For their religious ceremonies, of course! The religious leaders needed a better and more specific way to tell time than how high the sun was in the sky. Why did they need to tell the time more precisely? Well, they had certain ceremonies that they believed they had to do in order to please their gods. So they invented the water clock. It was a large funnel that was marked into 12 sections for their hours, and it dripped down. The leaders just measured the water to tell the time. (However,I still prefer a watch. Well, at least the these clocks didn't need any batteries!)
    • anna g
       
      The water clock
anna g

Top 10 Ancient Inventions You Think Are Modern - 0 views

  • Plywood has been made for thousands of years; the earliest known occurrence of plywood was in Ancient Egypt around 3500 BC when wooden articles were made from sawn veneers glued together crosswise. This was originally done due to a shortage of fine wood. Thin sheets of high quality wood were glued over a substrate of lower quality wood for cosmetic effect, with incidental structural benefits. This manner of inventing plywood has occurred repeatedly throughout history.
    • anna g
       
      plywood has been very useful in the past 100s of years
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