Solar energy history

Solar technology has been around for a while.It started somewhere around 7th century B.C., which is when people figured out that they could us sunlight and glass to start a fire.

• 7th century B.C. a magnifying glass used to light fire for light & warmth
• 3rd Century B.C. Romans and Greeks use mirrors to light torches for religious purposes.
  
• 2nd Century B.C. A greek scientist used a bronze shield to burn a wooden ship.
• A.D. 20 Chinese report using also using mirrors to light torches for religious purposes.
• 1st to 4th century they made roman bath houses with large windows facing south to let in warmth from the sun.
• 6th century so many houses and public buildings had sun-rooms that the Justinian established "sun rights", to make sure that buildings had access to the sun.
• 13th Century In North America, Pueblo ancestors built south-facing cliff-dwellings to capture the winter sun.