This article is a Stub. Please help the Photoshop Wiki by improving it. A color value is a set of numbers that uniquely identify a color within a color space. Color values are like map coordinates that identify a location with latitude and longitude.
Parachute-by Leonardo Da Vinci. The first parachute (. ) had been imagined and sketched by Leonardo Da Vinci in the 15th century. It's hard to believe something as modern as a parachute could be invented over 500 years ago. Leonardo's parachute design consists of sealed linen cloth held open by a pyramid of wooden poles, about seven metres long.
Invention of the submarine Leonardo da Vinci (1452-1519) made sketches of a submarine and William Bourne, a British mathematician, drew plans for a submarine in 1578. But it was only in 1620 that Cornelis van Drebbel, a Dutch inventor, managed to build a navigable submarine.