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An electric monowheel called Dynasphere was tested in 1932 in the United Kingdom. [11] [12] In 1971, an American inventor named Kerry McLean built his first monocycle (aka monowheel). In 2000, he built a larger version, the McLean Rocket Roadster powered by a Buick V-8 engine, which subsequently crashed in 2001 during the initial test run.
Contax S of 1949 – , the second pentaprism SLR The first SLR with a fixed pentaprism was the Rectaflex Asahiflex IIb, 1954 Nikon F of 1959 – the first Japanese system camera. The first practical reflex camera was the Franke & Heidecke Rolleiflex medium format TLR of 1928. Though both single- and twin-lens reflex cameras had been available ...
Edwin H. Land introduces the first Polaroid instant camera. 1949 – The Contax S camera is introduced, the first 35 mm SLR camera with a pentaprism eye-level viewfinder. 1952 – Bwana Devil, a low-budget polarized 3-D film, premieres in late November and starts a brief 3-D craze that begins in earnest in 1953 and fades away during 1954.
This is an accepted version of this page This is the latest accepted revision, reviewed on 5 February 2025. Optical device for recording images For other uses, see Camera (disambiguation). Leica camera (1950s) Hasselblad 500 C/M with Zeiss lens A camera is an instrument used to capture and store images and videos, either digitally via an electronic image sensor, or chemically via a light ...
A RIOT wheel is a one-wheeled vehicle, or monowheel. Housing a motor and counterweight inside a giant wheel, the driver sits on a platform that extends out in front of the device. This is in contrast to the typical monowheels and their long history, where the rider sits inside the wheel. By moving the wheel's center of gravity forward, the ...
1993: IBM created the first mobile app with SIMON; it had 10 built-in apps from Email to Calendar. 1994: IBM Simon, the world's first smartphone, is developed by IBM. 1994: First generation of Bluetooth is developed by Ericsson Mobile. A form of data communication on short distances between electronic devices.
Students built this monowheel motorcycle that looks like a donut 🏍️🍩 Duke students built the world’s fastest monowheel vehicle [Video] Skip to main content
Aerial Age Nov. 7 1921, magazine cover with aerial photo of Columbia University shot by W. L. Hamilton for Fairchild Aerial Camera Corp. Fairchild F-1 Aerial Camera. In 1917, after being rejected from the military because of his poor health, Fairchild was determined to find another way to support the World War I effort. [4]