Sensory deprivation or perceptual isolation is the deliberate reduction or removal of stimuli from one or more of the senses. Simple devices such as blindfolds or hoods and earmuffs can cut off sight and hearing, while more complex devices can also cut off the sense of smell, touch, taste, thermoception (heat-sense), and 'gravity'.
Leonardo da Vinci (1452~1519), the great Italian artist, architect, and man of science, made the first scientific experiments In the field of aviation. He devoted many years of his life to understanding the mysteries of flight, and he left the world 160 pages of descriptions and sketches of flying machines.
Leonardo Leonardo di ser Piero da Vinci April 15th 1452 may 2nd 1519 Rennaisance man Polymath Inventions Artworks Maths Polymaths Fact Flight was of particular interest to da Vinci. He studied the flight of birds and created plans for flying machines that resemble hang gliders and helicopters Gottfried Wilhelm Benjamin Franklin Galileo Galilei Artist