History

  • History of Lighting and Lamps

    The first lamp was invented around 70,000 BC. A hollow rock, shell or other natural found object was filled with moss or a similar material...

  • The History of the Incandescent Lightbulb

    1809 – Humphry Davy, an English chemist, invented the first electric light. Davy connected two wires to a battery and attached a charcoal strip betwween...

  • History Photovoltaics Timeline

    1839: Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the photovoltaic effect while experimenting with an electrolytic cell made up of two metal electrodes. 1873:...

  • The History of Communication

    3500 BC to 2900 BC     The Phoenicians develop an alphabet. The Sumerians develop cuneiform writing – pictographs of accounts written on clay tablets. The...

  • The History of Chewing Gum and Bubble Gum

    By the early 20th century, Americans could not get enough of the confection called chewing gum invented by Thomas Adams. Timeline * The ancient Greeks...

  • Timeline of Robots

    * ~270BC an ancient Greek engineer named Ctesibus made organs and water clocks with movable figures. * 1818 – Mary Shelley wrote “Frankenstein” which was...

  • The History of Vacuum Tubes

    A vacuum tube also called a electron tubes is a sealed glass or metal-ceramic enclosure used in electronic circuitry to control the flow of electrons...