meaning and history

pendulum

the word pendulum come from the latin word “pendulus”. And it means hanging.

what is a pendulum?

A pendulum is an object hanging from one point, that swings in a free way.

The pendulum swings by:

·         Gravity

·         Inertia

The pendulum continue in motion by the inertia caused by the center of the earth.

Historical important events

• ·         in china it was used to chase away spirits and to find out from where do they came
• ·         ancient Egyptians used to see where to plant
• ·         the pendulums were placed in animals that symbolize divination
• ·         it was used to answer questions
• ·         In Rome any person that used one, he or she was condoned to death. Because of the emperor decision
• ·         Used to get answers from a demon, so the pope Juan XXII prohibited them.
• ·         Francesco Campetti used it for finding water and minerals.
• ·         In medicine it was used to for medical diagnoses
• ·         Michel-Eugene Chevreul got interested in the connection between the psychic worlds with a pendulum. He decodes the movements of the pendulum and its meaning. He finds out how to give orders and how to interpret them.
• ·         On the beginnings of the XX century the pendulum became popular.
• ·         It was used to find out if the baby will be a boy or a girl, if the pendulum rotates in circle the baby will be a girl.
• ·         In modern times it is used as tool of dowser.
• ·         Dowser: a person who uses a divining rod to search for underground water or minerals
• ·         In 1930 it was considered a unusual object
• ·         Then the pendulum was the center of the Psychic Research, and it was used for many investigations and experiments.
• ·         The pendulum had demonstrate though time its uses
• ·         The Germans used it during the war to figure out where does the English had their army and ships.
• ·         During Vietnam War it was used to find hidden mines and subterranean tunnels.
• ·         The scientist thinks that in the primitive times, individuals used similar methods.

More History

Galileo became interest in a pendulum, by watching a lamp swings in the cathedral. Universities became researching of pendulums and conclude that they were affected by amplitude. Galileo wanted to make a pendulum clock that it was built in 1665. Scientific research notices that the pendulum had not familiar behavior. It provides a method to study physics.