Sketch by Leonardo da Vinci

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Leonardo is revered for his technological ingenuity.

He conceptualised a helicopter, a tank, concentrated solar power, a calculator, the double hull and outlined a rudimentary theory of plate tectonics.

Relatively few of his designs were constructed or were even feasible during his lifetime, but some of his smaller inventions, such as an automated bobbin winder and a machine for testing the tensile strength of wire, entered the world of manufacturing unheralded.

He made important discoveries in anatomy, civil engineering, optics, and hydrodynamics, but his failure to publish his findings limited their influence on the future course of science.

Shadow_Chaser Uploaded by Shadow_Chaser on Apr 13, 2011. Sketch by Leonardo da Vinci - Desktop Nexus Abstract Download free wallpapers and background images: Sketch by Leonardo da Vinci. Desktop Nexus Abstract background ID 640569. Leonardo is revered for his technological ingenuity.

He conceptualised a helicopter, a tank, concentrated solar power, a calculator, the double hull and outlined a rudimentary theory of plate tectonics.

Relatively few of his designs were constructed or were even feasible during his lifetime, but some of his smaller inventions, such as an automated bobbin winder and a machine for testing the tensile strength of wire, entered the world of manufacturing unheralded.

He made important discoveries in anatomy, civil engineering, optics, and hydrodynamics, but his failure to publish his findings limited their influence on the future course of science. 4.1