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Who named Months?

Month

Origin of it's name

January

Janus, the Roman god of beginnings.

February 

Februa, an ancient Roman festival of purification held on February 15.

March

Latin word Mārtius, meaning “of Mars,” as in, the Roman god of war.

April

Latin name is aprīlis, which is related to the Latin word aperīre, meaning “to open,” a reference to the blooming flowers of spring.

May

Maia, the Roman goddess of fertility.

June

Juno, the queen of the Roman gods.

July

Jūlius in honor of Julius Caesar.

August

Caesar’s grandnephew, the emperor Augustus.

September

Septem, the Latin word for “seven.”

October

Latin word octō means “eight.”

November

Latin, novem means “nine.”

December

Latin word for 10, which is decem.

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Perpetual Motion Machines

Perpetual Motion Machines

devices that can do work indefinitely without any external energy source have captured many inventors’ imaginations because they could totally transform our relationship with energy. There’s just one problem: they don’t work. Why not?

  1. 1
     Energy can't be created or destroyed - you can't create more energy than you put in within a device.
  2. 2
    Friction
  3. 3
    Machine must be operated in vacuum
  4. 4
    Machine must be soundless, as sound is a way of lost energy!!
  5. 5
    Something more?!!!

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