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Contents contributed and discussions participated by ed h

ed h

Ancient Greece Inventions - 7 views

  • One well-known ancient Greek invention is the Antikythera mechanism. Believe it or not, this was a type of calculator that is thought to have been invented some 2000 years ago. As a matter of fact, many people consider this to be the world's first computer, although it was nothing like the computers that we see today. Through the use of a complex system of gears, it was able to calculate the relative positions of the sun, moon and stars whenever a date was entered. This is one of the ancient Greeks inventions that was truly far ahead of its time.
  • Another one of the ancient Greek inventions that is rather interesting is that of the shower. Although nothing was known about germs at that particular time, the Greeks thought that it was a healthful practice to wash the body with water. The fact that there were showers during this time period is recorded in various art murals that have been excavated.
    This website has many inventions for ancient greece
ed h

Ancient Inventions - Lesson Plans & Games for Kids - 0 views

  • The ancient Egyptians made their own ice. Women placed shallow clay trays of water on straw beds. Evaporation, combined with the drop in night temperatures, froze the water. Cool night air circulated from the air shaft built in the middle of their houses. Windows were arranged opposite doors to allow for a cross draft.
    • ed h
      This is very creative and a good idea.
ed h

Ancient Inventions - 0 views

  • First of all, it should be noted that there is usually a direct relation between ancient inventions and anthropology. Many times, an invention is given credit at one particular time but it is later discovered that it may have been used hundreds or perhaps even thousands of years earlier. A good example of this is the Archimedes screw which was thought to have been invented during the second century B.C. by a Greek inventor who shared the same name as his invention. It is now widely accepted that this same type of the device was used hundreds of years earlier by Nebuchadnezzar in order to water the famous hanging Gardens of Babylon.
    • ed h
      this is a very intersting tool
ed h

Ancient Egyptian Inventions - 7 views

shared by ed h on 04 Nov 11 - No Cached
  • The shadoof was a very useful device that the Egyptians built to help them with their water, and the Nile River. It was operated by hand and was used to lift water from the river onto land in buckets. It has a long pole and there are two objects at each end of it. On one side, there is a bucket. On the other, there is a weight. The Egyptians would lower the bucket, and allowed the water to flow into the bucket. Then they would drop it, causing the weight to lift it back up so they could retrieve it. This was a very nifty device.
    • ed h
      this is a very cool device.
ed h

Athenian democracy - Wikipedia, the free encyclopedia - 9 views

  • Estimates of the population of ancient Athens vary. During the 4th century BC, there may well have been some 250,000–300,000 people in Attica. Citizen families may have amounted to 100,000 people and out of these some 30,000 will have been the adult male citizens entitled to vote in the assembly. In the mid-5th century the number of adult male citizens was perhaps as high as 60,000, but this number fell precipitously during the Peloponnesian War.
    • ed h
      Population matters to direct democracy
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