History of Energy

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History of Energy
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• Fire was civilization's first great energy
  invention, and wood was the main fuel for a long
  time.
• How much do you know about when different energy
  resources were first used?

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Electricity

• Around 600 BC
• Thales, a Greek, found that when amber was rubbed
  with silk, it became electrically charged and
  attracted objects. He had originally discovered
  static electricity.

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Electricity

• 1600
• William Gilbert (England) first coined the term
  electricity from elektron, the Greek word for
  amber. Gilbert wrote about the electrification of
  many substances. He was also the first person to
  use the terms electric force, magnetic pole, and
  electric attraction.

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Oil (petroleum)

• 3000 BC
• The Mesopotamians of that era used rock oil in
  architectural adhesives, ship caulks, medicines,
  and roads.

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Oil (petroleum)

• 2000 BC
• The Chinese refined crude oil for use in lighting
  and heating.

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Natural gas

• 200 B.C.
• The Chinese used natural gas to make salt from
  salt water (brine) in gas-fired evaporators.

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Natural gas

• 1626
• French explorers discovered Native Americans
  burning gases that were seeping into and around
  Lake Erie.

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Reflection

• When will fuels such as hydrogen become commonly
  used?
• Why do we care so much about that?