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Water Clock:; Build a clock that uses dripping water to measure how much time has passed. For many centuries, the best technology available for keeping time was the water clock.
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www.darylscience.com/Demos/Clocks.html
www.darylscience.com/Demos/Clocks.html
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Begin by letting students view a picture of the largest water clock in North America, on display at the Children's Museum of Indianapolis. Ask students to jot down and describe some of the parts that make up the ... ; To build a feedback-controlled system (a water clock) and research ways to improve the system design.
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www.sciencenetlinks.com/lessons.php?BenchmarkID=11&DocI...
www.sciencenetlinks.com/lessons.php?BenchmarkID=11&DocID=2
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Timeline. It's About Time: 1500-1300 BC - Sundial first used in Egypt. 400 BC - Greeks use a water clock. 980? - Alfred the Great (a Saxon king) uses burning candles to measure time. 1000? - (Sung dynasty) Candles and burning incense mark time in China.
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www.aresearchguide.com/time.html
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To make sure that your drinking water is safe, design and build a water filter. ... To help you to keep an eye on the time, make a water clock.
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www.pbs.org/weta/roughscience/discover/waterquality.htm...
www.pbs.org/weta/roughscience/discover/waterquality.html
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As a result of this the Emperor Shen Tsung in about 1100 AD decided to build the most perfect clock the world had ever seen. He assigned the task to his minister Su Sung who, after several years, came up with a water-powered clock that not only told the time of day, but the date, month and a host of other things as well.
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www.unicorngarden.com/bkhrs07.htm
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Shortly after Archimedes, Ctesibus created the Clepsydra in the 2nd century BC. A more elaborate version of the common water clock, the Clepsydra was quite popular in ancient Greece. However, the development of stereography by Hipparchos in 150 BC. radically altered physical representations of the heavens.
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www.perseus.tufts.edu/GreekScience/Students/Jesse/CLOCK...
www.perseus.tufts.edu/GreekScience/Students/Jesse/CLOCK1A.html
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Build an "inflow" water clock and determine its accuracy. ... Build a clock that uses dripping water to measure how much time has passed. ... For many centuries, the best technology available for keeping time was the water clock. While these clocks weren¹t very reliable, they worked indoors, at night, and on cloudy days,
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dwb.unl.edu/Teacher/NSF/C10/C10Links/ericir.syr.edu/Pro...
dwb.unl.edu/Teacher/NSF/C10/C10Links/ericir.syr.edu/Projects/Newton/14/clocks10.html
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Video: How To Make a Water Gun Alarm Clock. Build an alarm clock that's also a water gun for the sleepyhead in your life. ... If you don’t have a breadboard circuit, solder the switch and wires to a regular circuit board. It’s harder to do, but will make for a more permanent connection – and water clock.
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www.howcast.com/videos/866-How-To-Make-a-Water-Gun-Alar...
www.howcast.com/videos/866-How-To-Make-a-Water-Gun-Alarm-Clock
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Sony's ICF-CL75iP Alarm Clock Includes Retractable iPod Dock ... The only problem is that you have to build it yourself. ... For that you are going to need some soldering skills, a motorized water gun, a voltage relay switch, a bread board circuit and some basic tools. If this doesn't wake you up, you are going to be condemmed to...
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gizmodo.com/358362/torture-yourself-by-building-a-water...
gizmodo.com/358362/torture-yourself-by-building-a-water-gun-alarm-clock
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