-
The first orthopedics began to be used in the 18th century in which it was tried to prevent and correct body deformations in children
-
In 1796 the English physician Edward Jenner discovered a way to protect people from smallpox and this led to the development of the first vaccine against smallpox
-
Augustin Fresnel, invented a lens design that allows the construction of a large aperture and a short focal distance.
-
In 1846 in Bostn it was William Morton who made a successful demosyration of the use of anesthesia when applied to a patient. The doctor was ale to remove a tumor from the neck without the patient feeling any pain
-
Around the year 1857 Antonio Meucci Built a telephone to connect his office with his bedroom. Located in the second floor, due to the Rheumatism of hs wife.
In 1876, afeter discovering that only direct current could be used to transmit human voice, the Scottish American inventor Alexander Graham Bell built and patented the first telephone. -
The inventor of the phonograph is THomas Alva Edison. The phonograph uses an analog mechanical recording system in which sound waves are transformed into mechanical vibrations by means of transducer.
-
INVENTED BY: JOHN STITH PEMBERTON
Although it was sought to find a cure for headches, it was finally a drink combined of lime, cinnamon, coca leaves and seeds of the Brazilian Bush -
Inveneted by Clément Ader, he was a French engineer who is known for inventing the first airplane.
-
At the end of the 19th century, Wihlem Conrad Röntgen, a german scientist at the University of Würzburg, discovered a radiation that had the property of peneatring opaque bodies.
-
Radioactivity was discovered by the French scientist Antoine Henri Becquerel in 1896 almost occasionaly while conducting research on the fluorescence of double uranium and sulfate