Did You Know That (About Inventions) - 3

  • Ice cream cone was introduced in 1904.
  • Lie detector was invented in 1921.
  • Revolving door was invented in 1888.
  • The first computer mouse was invented by Doug Engelbart in around 1964 and it was made up of wood. 
  • The first light bulb was invented by Thomas Edison. 
  • Telephone was invented by Alexander Graham Bell.
  • Dynamite was invented by Alfred Bernhard Nobel.
  • Cars were only used as toys when they were first invented.
  • The first plane was build by the Wright Brothers.

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