Advances in Science and Technology from 1921-1940

By jarod.hergott
  • Period: to

    Advances for science and technology

  • First 3-D Movie

    First 3-D Movie
    The earliest confirmed 3D film shown to an out-of-house audience was The Power of Love, which premiered at the Ambassador Hotel Theater in Los Angeles.

  • First Television Pictures with a Greyscale Image

    First Television Pictures with a Greyscale Image
    John Logie Baird successfully transmits the first television pictures with a greyscale image, in London.

  • Liquid-Fueled Rocket

    Liquid-Fueled Rocket
    The first flight of a liquid-propellant rocket at Auburn, Massachusetts.

  • Aerosol Spray Can

    Aerosol Spray Can
    The aerosol spray can is patented by Erik Rotheim, a Norwegian chemical engineer.

  • Discovery of Penicillin

    Discovery of Penicillin
    Fleming recounted that the date of his discovery of penicillin was on the morning of Friday, September 28, 1928.

  • First Radar

    First Radar
    It is historically correct that, on June 17, 1935, radio-based detection and ranging was first demonstrated in Great Britain.

  • Polytetrafluoroethylene

    Polytetrafluoroethylene
    PTFE or polytetrafluoroethylene was discovered on April 6, 1938 by Dr. Roy Plunkett at the DuPont research laboratories in New Jersey.

  • LSD

    LSD
    LSD was first synthesized on November 16, 1938 by Swiss chemist Albert Hofmann in Sandoz Laboratories in Basle, Switzerland.

  • First Successful Helicopter

    First Successful Helicopter
    The world’s first practical helicopter, took flight at Stratford, Connecticut designed by Igor Sikorsky.

  • First Jeep

    First Jeep
    The first jeep was built.