inventions

  • calculator

    calculator
  • camera

    camera
  • computer

    computer
  • car

    car
  • nintendo

    nintendo
  • aircondition

    aircondition
  • headphones

    headphones
  • television

    television
  • printer

    printer
  • radiator

    radiator
  • internet

    internet
  • tablet

    tablet
  • smartphone

    smartphone
  • playstation

    playstation
  • smartwatch

    smartwatch