History of technology in the media

  • Hair dryer

    Hair dryer
    A hair dryer, hairdryer or blow dryer is an electromechanical device that blows ambient or hot air over damp hair to speed the evaporation of water to dry the hair.
  • Radio broadcasting

    Radio broadcasting
    The prime purpose of radio is to convey information from one place to another through the intervening media (i.e., air, space, nonconducting materials) without wires.
  • Vacuum

    A vacuum cleaner, also known simply as a vacuum or a hoover, is a device that causes suction in order to remove dirt from floors, upholstery, draperies, and other surfaces. It is generally electrically driven.
  • Air conditioner

    Air conditioner
    An air conditioner provides cold air inside your home or enclosed space by actually removing heat and humidity from the indoor air. It returns the cooled air to the indoor space, and transfers the unwanted heat and humidity outside.
  • Airplane

    Airplanes are transportation devices which are designed to move people and cargo from one place to another.
  • Washing machine

    Washing machine
    The washing machine concept is pretty simple – it agitates your clothes in a soapy suds and water to remove any dirt and stains before spinning to drain the water after the cycle.
  • Iron lung

    Iron lung
    An iron lung is a type of negative pressure ventilator (NPV), a mechanical respirator which encloses most of a person's body, and varies the air pressure in the enclosed space, to stimulate breathing. It assists breathing when muscle control is lost, or the work of breathing exceeds the person's ability.
  • Computer

    A computer is an electronic device that manipulates information, or data. It has the ability to store, retrieve, and process data. You may already know that you can use a computer to type documents, send email, play games, and browse the Web.
  • Phone

    A mobile phone is a wireless handheld device that allows users to make and receive calls.
  • Hearing aids

    Hearing aids
    The first electric hearing aid was invented in 1898 by Miller Reese Hutchison. He used an electric current to amplify sounds. The design itself was a carbon transmitter, allowing the device to be portable.