Segunda revolucion industrial

TECHNOLOGICAL AND SCIENTIFIC ADVANCES DURING XIX CENTURY

By Damián Lorencio

  • Lighter

    Lighter
    Invented by Robert Bunsen. It is a portable chemical reactor used to generate a flame. The first lighters that deserved such a name, consisted of a tube, about 9 millimeters in diameter through which a cotton wick ran.

  • Refridgerator

    Refridgerator
    It is an electronic device used mainly in kitchens and laboratories. It consists of a thermally insulated cabinet, with a main compartment in which a temperature of between 2 and 6 ° C Its history began in 1784 when William Cullen developed the first experiment to obtain cold in a laboratory. The patent was registered by Jacob Perkins in 1830
    Repercussion
    Supermarket refrigerators pose the greatest threat to warming, accounting for 30% of its greenhouse gas emissions,

  • Revolver

    Revolver
    It is a repeating firearm that is characterized by carrying the ammunition arranged in a drum or cylinder.
    In 1833 the Italian Francesco Antonio Broccu invented the first percussion revolver.
    Repercussion
    His revolver was examined by King Charles Albert of Savoy during his second trip to Sardinia in 1843. He was presented with a prize of 300 francs, but he never applied for a patent for his invention.

  • Fax

    Fax
    Invented by Alexander Bain is the telephone transmission of scanned printed material (both text and images), usually to a telephone number connected to a printer or other output device.
    Repercussion
    It was the first technological device that allowed printing things from home, as well as calling by phone.

  • Elevator

    Elevator
    Invented by Elisha Otis is a vertical transport system, designed to move people or objects between the different levels of a building or structure.
    As taller buildings were built, people were less inclined to climb long stairs.
    Repercussion
    allowed to climb to higher areas where workers could not, it was also a great advance for people who could not walk and allowed to do a more efficient work

  • Machine gun

    Machine gun
    Invented by Richard J. Gatling It is an automatic firearm designed to fire a large amount of ammunition from a magazine or an ammunition belt, which normally in a short time and in a sustained way can fire hundreds of rounds per minute, due to its automatic firing mechanism , and hitting a certain firing range.
    Repercussion
    it was a breakthrough in heavy artillery and later used for warfare.

  • Dynamite

    Dynamite
    It is a very powerful explosive composed of nitroglycerin, a liquid explosive substance at room temperature and very unstable that when absorbed in a solid medium.
    Dynamite was invented by Alfred Nobel in 1866.
    Repercussion
    it allowed advances in mining and industry, as well as in warfare.

  • Jeans

    Jeans
    Invented by Jacob W. Davis It is a garment that fits at the waist and reaches a variable height from the leg or up to the ankles, covering each leg separate.

  • Telephone

    Telephone
    Invented by Antonio Meucci
    It is a telecommunication device created to transmit acoustic signals at a distance by means of electrical signals.
    Repercussion
    allowed to call anyone at any time.

  • Radio

    Radio
    It is a means of communication that is based on the sending of audio signals through radio waves.
    Repercussion
    The first radio systems appeared, which made it possible to transmit voice messages in the distance. Radio became the main source of information for the population. It managed to bring together large groups of people who remained to listen to music, sports broadcasts and programs comedians.