Digital camera information about the astronauts' position. As with Texas Instruments employee Willis Adcock's filmless camera (US patent 4,057,830) in 1972, the technology had yet to catch up with the concept. The Cromemco Cyclops was an all-digital camera introduced as a commercial product in 1975. Its design was published as a hobbyist construction project in the February 1975 issue of "Popular Electronics" magazine, and it used a 32×32 Metal Oxide Semiconductor sensor. Steven Sasson, an engineer at Eastman Kodak, invented and built the first self-contained electronic camera that used a charge-coupled device image sensor in 1975. Early uses were mainly military and
Western roll Western roll The Western roll is a high jump technique invented by George Horine of Stanford University. It is said that George Horine came to invent the Western roll because the high jump pit at Stanford could be approached from only one side. Another, perhaps more plausible, explanation is that the style was invented by the Stanford coach Edward Moulton. However, neither of these stories occurs in a detailed contemporary profile of Horine, which states that Horine arrived at the style himself after many months of experimentation. The style was controversial at first, partly because of rivalry between the US