4º NATURALES - ESQUEMAS UNIDAD 6

Archimedes. Ancient Greece: mathematician, engineer. He invented the Archimedes screw (el tornillo de Arquímedes) https://www.youtube.com/watch?v=V0wmiMn2wDQ

Leonardo da Vinci: he was one of the most famous inventors all the History! We designed  the idea (but do not build) the helicopter, parachutes (paracaídas), anemometers (a machine that tells you the speed of the wind) https://www.youtube.com/watch?v=epyDWlF7Y6Y

Nikola Tesla. He invented the electric car more than 100 years ago. https://www.youtube.com/watch?v=hAhBg9M97ho

Alexander Fleming 1928 Penicilin

In Prehistory, the Wheel was used for pottery (alfarería)

In 1927, the TV was invented

120 years ago it was invented the X-Ray images and the windshield wipers (limpia-parabrisas)