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Discover ancient clocks that measure time using water
Before the invention of electronic devices, people used to tell time using water clocks, devices consisting of containers with lines and small drainage holes.
Sundial
Browse ScienceInfo articles and explainers related to Sundial.
Topic archive
Articles about Sundial
13 published items.
Science story
Discover the unique sundials of the ancients
Before there were wristwatches or desk clocks, the ancients used the natural method of tracking celestial objects and homemade sundials to tell the time.
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Why does 1 hour have 60 minutes, 1 minute has 60 seconds and 1 day has 24 hours?
Today, 60 minutes a day with 24 hours or 1 hour is a very normal convention that everyone knows.
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Alarm clock history
Alarm clock is a clock designed to create a loud sound at a particular time.
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Discover methods of measuring time
The idea of measuring time only appeared about 5,000-6,000 years ago when people began settling down and building civilizations. Before that, time was divided into two…
Archeology
Discovering a sundial over 3,000 years old
A carved stone is found in the Bronze Age tomb in Ukraine dating back more than 3,000 years.
Archeology
Discover the oldest Sun watch in Egypt
Scientists at the University of Basel (Switzerland) on March 14 discovered one of the oldest Sun watches in Egypt, dating from an estimated 3,300 years, while excavating…
Archeology
How do Vikings go to sea in cloudy days?
The Vikings navigate the sea with sundial clocks. But in the gloomy days, the sundial is also useless. Many researchers wonder how they overcome it? One theory is that t…
Scientific works
Reveal the Pantheon temple mystery
After nearly 2,000 years, scientists are finding solutions to the strange structure of the ancient Roman temple, Pantheon.
Science invention
The inventions help see the time before the clock
Clock is an indispensable item in daily life. But do you know how the clock is viewed before the clock is available?
Science invention
Sundial.
Due to coincidence, ancient people remarked that the shadow of a tree was amputated when the sun moved in the sky. Similarly, when plugging a vertical stick on the groun…
Science invention
Water clock.
When using a fund, people encounter many inconveniences such as a fund that cannot tell time on rainy days or at night. So the Egyptians thought of water clocks (clepsyd…
Science invention
Hourglass and candles just hours.
In addition to the two types of sundial clocks and water meters, there are also hourglass (sablier) used for short periods of time. Origin from Egypt, this type of watch…