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clepsydra
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Introduction References & Edit History Quick Facts & Related Topics
Quizzes
barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure
Fun Facts of Measurement & Math
Alberto Santos-Dumont. Postcard of Brazilian aviator Alberto Santos-Dumont's (1873-1932) airship or dirigible and Eiffel Tower. The Santos Dumont Air-Ship rounding the Eiffel Tower; on Octoboer 19th 1901. airplane
A History of Everyday Technology in 68 Quiz Questions
Clock face of Big Ben.
Scientists and Their Inventions Quiz
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22 Questions About Time and Timekeeping Answered
Moonrise over Tucson, Arizona
Why Doesn’t Arizona Observe Daylight Saving Time?
Abstract vector hi speed internet technology background
History of Technology Timeline
molecule model, element
Molecular Machines: Making for the Future
Binary Computer Code, Binary Code, Internet, Technology, Password, Data
How Does Wi-Fi Work?
Discover
illustration of the walking titanosaurus, Patagotitan mayorum
Titanosaurs: 8 of the World's Biggest Dinosaurs
Illustration for Demystified "How Dangerous is Quicksand"
How Deadly Is Quicksand?
Battle of the Alamo from "Texas: An Epitome of Texas History from the Filibustering and Revolutionary Eras to the Independence of the Republic, 1897. Texas Revolution, Texas revolt, Texas independence, Texas history.
6 Wars of Independence
New Zealand. Political/Physical map. Includes locator.
Where Is “Old Zealand”?
Marriage. A couple getting married during a church wedding ceremony. (religion, ceremony, bride, groom)
The Seven Sacraments of the Roman Catholic church
Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,
Which Religion Is the Oldest?
Two chicks near an egg with a white background (poultry, chick, chickens, birds).
What Do Eggs Have to Do with Easter?

clepsydra: Facts & Related Content

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Facts

Also Known As water clock

Related Topics and References

Topics

Key People

Ctesibius of Alexandria
Ctesibius Of Alexandria
Greek physicist and inventor

Related Quizzes and Features

Quiz
Clock face of Big Ben.
Scientists and Their Inventions Quiz
barometer. Antique Barometer with readout. Technology measurement, mathematics, measure atmospheric pressure
Fun Facts of Measurement & Math
Alberto Santos-Dumont. Postcard of Brazilian aviator Alberto Santos-Dumont's (1873-1932) airship or dirigible and Eiffel Tower. The Santos Dumont Air-Ship rounding the Eiffel Tower; on Octoboer 19th 1901. airplane
A History of Everyday Technology in 68 Quiz Questions
List
Calendar marking march 15th
22 Questions About Time and Timekeeping Answered