The water clock was invented in Ancient Egypt. It was used to tell time and to measure speeches in the courtroom. The inventor of the water clock was Ctesibius. He was a Greek inventor that lived in Alexandria, Egypt. Ctesibius just did not invent, it he also improved it by adding a float with a rack that turned a toothed wheel. He made the water clock make sounds like a whistling bird, bells, puppets, and other gadgets. Ctesibius lived and invented the water clock in the third century.

The water clock was invented in Ancient Egypt. It was used to tell time and to measure speeches in the courtroom. The inventor of the water clock was Ctesibius. He was a Greek inventor that lived in Alexandria, Egypt. Ctesibius just did not invent, it he also improved it by adding a float with a rack that turned a toothed wheel. He made the water clock make sounds like a whistling bird, bells, puppets, and other gadgets. Ctesibius lived and invented the water clock in the third century.

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Ctesibius.  Greek inventor of Alexandria, 270 BC. Greek physicist. One of the most brilliant minds in history.

Ctesibius. Greek inventor of Alexandria, 270 BC. Greek physicist. One of the most brilliant minds in history.

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The water clock was invented in Ancient Egypt. The water clock was used to tell time and to measure speeches in the courtroom. The inventor of the water clock was Ctesibius, a Greek inventor from Alexandria, Egypt. Ctesibius just did not invent, it he also improved it by adding a float with a rack that turned a toothed wheel. He made the water clock make sounds like a whistling bird, bells, puppets, and other gadgets. Ctesibius lived and invented the water clock in the third century.

The water clock was invented in Ancient Egypt. The water clock was used to tell time and to measure speeches in the courtroom. The inventor of the water clock was Ctesibius, a Greek inventor from Alexandria, Egypt. Ctesibius just did not invent, it he also improved it by adding a float with a rack that turned a toothed wheel. He made the water clock make sounds like a whistling bird, bells, puppets, and other gadgets. Ctesibius lived and invented the water clock in the third century.

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The First Truly Automatic Self-Regulatory Device (Circa 250 BCE):  Greek inventor and mathematician Ctesibius (Ktesibios,Tesibius; Κτησίβιος), probably the first head of the Museum at Alexandria, invented the first artificial automatic self-regulatory system by designing an improved water clock or clepsydra (water thief) that required no outside intervention between the feedback and the controls of the mechanism. Ctesbius's clepsydra kept more accurate time than any clock invented until...

The First Truly Automatic Self-Regulatory Device (Circa 250 BCE): Greek inventor and mathematician Ctesibius (Ktesibios,Tesibius; Κτησίβιος), probably the first head of the Museum at Alexandria, invented the first artificial automatic self-regulatory system by designing an improved water clock or clepsydra (water thief) that required no outside intervention between the feedback and the controls of the mechanism. Ctesbius's clepsydra kept more accurate time than any clock invented until...

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The hydraulis is the first clavier musical instrument in the world and a predecessor of the pipe organ. The Greek inventor Ktisivios created it in the 3rd century BC, in Alexandria. It consists of a set of pipes, with or without a reed. The player (pict. 12) supplies air to a selected pipe through the use of specific keys. The steady supply of air pressure is provided by a hydraulic system.

The hydraulis is the first clavier musical instrument in the world and a predecessor of the pipe organ. The Greek inventor Ktisivios created it in the 3rd century BC, in Alexandria. It consists of a set of pipes, with or without a reed. The player (pict. 12) supplies air to a selected pipe through the use of specific keys. The steady supply of air pressure is provided by a hydraulic system.

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Ancient Greece - Archaic Period During the Archaic Period, Greek art was influenced by art from other areas of the world. This is because the Greeks were trading goods with neighboring areas. They were also setting up colonies to their east and west.

Ancient Greece - Archaic Period During the Archaic Period, Greek art was influenced by art from other areas of the world. This is because the Greeks were trading goods with neighboring areas. They were also setting up colonies to their east and west.

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The Greek engineer who invented the steam engine 2,000 years ago - Almost two millennia before the rest of humanity entered the industrial age, the Greek inventor Hero invented the steam engine, wind-powered machinery, and theories of light that couldn't be improved for centuries. And then he invented some really crazy stuff.

The Greek engineer who invented the steam engine 2,000 years ago - Almost two millennia before the rest of humanity entered the industrial age, the Greek inventor Hero invented the steam engine, wind-powered machinery, and theories of light that couldn't be improved for centuries. And then he invented some really crazy stuff.

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Here’s a gorgeous video featuring a mechanical model of the solar system, attributed to the famed Greek inventor Archimedes and now reconstructed by the London-based mechanician Michael Wright. This globe, made from copper and brass (although the original would have been bronze) displays the movements of the Sun, Moon and planets as they travel through …

Here’s a gorgeous video featuring a mechanical model of the solar system, attributed to the famed Greek inventor Archimedes and now reconstructed by the London-based mechanician Michael Wright. This globe, made from copper and brass (although the original would have been bronze) displays the movements of the Sun, Moon and planets as they travel through …

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Ctesibius of Alexandria, a Greek inventor, designs the first hand-operated fire-extinguisher pump. Similar pumps surface in 16th-century Europe.

Ctesibius of Alexandria, a Greek inventor, designs the first hand-operated fire-extinguisher pump. Similar pumps surface in 16th-century Europe.

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Archimedes of Syracuse (Greek: Ἀρχιμήδης; c. 287 BC – c. 212 BC) was a Greek mathematician, physicist, engineer, inventor, and astronomer. He is generally considered to be the greatest mathematician of antiquity and one of the greatest of all time.

Archimedes of Syracuse (Greek: Ἀρχιμήδης; c. 287 BC – c. 212 BC) was a Greek mathematician, physicist, engineer, inventor, and astronomer. He is generally considered to be the greatest mathematician of antiquity and one of the greatest of all time.

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