inventor challenge

  • microscope

    microscope

    it wasn't clear who invented the microscope but the first person who found the microscope was Galileo Galilei
  • adding machine

    adding machine

    Pascaline also called Arithmetic Machine the first calculator or adding machine to be produced in any quantity and actually used.
  • the first cast steel plow.

    the first cast steel plow.

    John Deere designed his first plow for Midwestern farmers as a 33 year old blacksmith
  • vulcanized rubber.

    vulcanized rubber.

    a fact is that natural rubber obtained from a rubber tree that is pressure treated with chemicals
  • elevator break.

    elevator break.

    its important because equipped with a safety brake system that prevents the car from crashing to the floor should the main cable snap
  • toilet paper

    toilet paper

    toilet was invented because of the chinese emperor family
  • blue jeans

    blue jeans

    here is interesting fact From one bale of cotton, around 225 pairs of jeans can be made.
  • light bulb

    light bulb

    he invented a light bulb because Eddison realized the problem with swan's design was the filament
  • radio

    radio

    the importance was to provide real-time information
  • ironing board.

    ironing board.

    a truly portable folding ironing board was first patented in Canada in 1875 by John B. Porter
  • zipper

    zipper

    it was first design in 1913 by Gideon Sundback.
  • ferris wheel

    ferris wheel

    it was named after its inventor Pittsburgh bridge builder George Washington Gale Ferris Jr
  • coca-cola

    coca-cola

    coca-cola was invented because of Pemberton originally touted his drink as a tonic for most common ailments
  • bubble gum

    bubble gum

    gum was invented because frank fleer wanted something different from his rivals
  • vaccine for polio.

    vaccine for polio.

    it was available in the United States in 1955