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.
Top 10 Greatest Scientists. A list of the top 10 scientists of all time. Sir Isaac Newton (1642-1726) Newton was a polymath who made investigations into a whole range of subjects including mathematics, optics, physics, and astronomy. In his Principia Mathematica, published in 1687, he laid the foundations for classical mechanics, explaining law of gravity and the Laws of Motion.