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Throughout history, time has been measured by the movement of the earth in relation to the sun and stars. The earliest timekeeper dating from as far back as 3500 BC was the shadow clock, or gnomon, a vertical obelisk that cast a shadow. Devices almost as old as the shadow clock and sundial include the hourglass (in which the flow of sand is used to measure time intervals) and the water clock or clepsydra, in which the flow of water indicates passage of time.
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How long have water clocks been around?
5,0000 years
What brands of clocks are considered to be very good values?
Timex has been a very reliable long lasting clocks that are great in price.
Do you need clocks to live?
No, for clocks do not affect our body, and we will not die if the are not around.
Comparison of DNA to determine how long different species have been evolving independently can be done using?
molecular clocks
How long has deforestaion been around?
how long has deforestation been around
How long has guns been around?
As long as guns have been around.
Do any brands make new clocks that look like antiques?
Yes, there are clocks that have been made as replicas of antique clocks.
Were clocks around in the 1300's?
yes
How long has the London eye been around for?
how long has the london eye been around for
How long has Mackenzie Falls been around?
As long as So Random has been around.
Where can one buy tide clocks?
A tide clock is a special clock that keeps track of the Moon's motion around the Earth. These types of clocks may be purchased from Amazon, Tidal Clocks and Coastal Tide Clocks.
What are clocks that are not digital called?
Analog clocks have an hour hand and minute hand, and 12 numbers around a circle.
