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The History and Evolution of the Clock

Evolution of the clock

Melissa Ocampo

on 29 May 2012

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Transcript of The History and Evolution of the Clock

The Clock...
By Claudia Cristancho and Melissa Ocampo
The First Clock
The Water Clock, Called Clesydra
Created by the Egyptians and the Greeks
The Pendulum clock
In 1656´s By Christian Huygens


Had problems in its operation
The Sundial.
The first form of the clock
Didn't work very well.
Quarts crystal clock.
Kept time with a electronic oscillator
Digital Clocks
Projection clocks
Atomic clocks
History and Evolution
7000 years ago
They make a connection between time Religion, astronomy and astrology in different uses.
From the Latin Clocca
About 5,500 years ago

The time relied on the movement of the sun across the sky...
3400 years ago
These water clocks were made from 2 containers of water one higher than the other.
The clock works during the night.
The humans could know the time notion
In the 1920´s by Warren Marrisson

These work by applying a certain voltage and pressure inside the clock

This will vibrate or oscillate the quartz at a constant rate.

It´s one of more common to find at home
Was a simple idea as the pendulum swings left and right it turns a wheel with many pine nuts on it.
By English physicist Louis Essen in the 1950's
Atomic clocks use the energy changes that take place in atoms to keep track of time.

Are so accurate that they lose or gain no more than 1 second once every 2 or 3 million years.

It´s top of line
The projector clock has lots of interesting and informative features that helps you and give you the right time.
The clock projects the hours by a laser through a small LCD screen, and have a high tech.
By Peter Petrov in 1968
Thomas Eddison invented the digital clock after Albert Einstein thought it up.
The people could tell time easier and is innovative...
Why were clocks invented?
Desired was for navigation purposes.

Efficient apparatus to measure the time

Calculate or register events in the history.

Organize the life activities .

Seconds, Minutes, Hours, Days, Weeks, Months, Years.

The time is the same in all the world, and the clock is exactly.
Water Clock
Made from two containers of water one of higher than the other.

That clock not depend on cloud cover and could even work during the night but was an invention revolutionary in that time.
The Egyptians invented that clock around 3,400 years ago...
One could say that no one invented it, but that it was discovered.
Was created by the Venetians.

Its recognition goes back as far as the 14th century.
It is also called a sandglass.
The Hourglass
Alarm clock
Levi Hutchins invented the alarm clock in 1787
An old adage says :
"He who gets up early, God helps him"...
Was an inefficient clock..
It´s efficient
The time is the same in all the world, and the clock is exactly.

Arrive to class

Calculate or register events in the history

Organize the things to do at the day.
The First War World, the soldiers and the pilots attached their watches to their wrist with a leather strap.

They used their watches like flying instruments
In 1800 by Patek Phillippe...
Full transcript