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Edward Craven Walker (4 July 1918 – 15 August 2000) was a British inventor, [1] who invented the psychedelic Astro lamp, also known as the lava lamp. [ 2 ] [ 3 ] [ 4 ] War record
Former Lava Lamp factory, at 1650 Irving Park Road, Chicago. British entrepreneur Edward Craven Walker had the idea for the lava lamp in 1963 after watching a homemade egg timer, made from a cocktail shaker filled with liquids, as it bubbled on a stovetop in a pub. [8] This precursor was designed and patented GB patent 703924 by Donald Dunnet. [9]
Lavarand, also known as the Wall of Entropy, is a hardware random number generator designed by Silicon Graphics that worked by taking pictures of the patterns made by the floating material in lava lamps, extracting random data from the pictures, and using the result to seed a pseudorandom number generator.
Consider a lamp with a toggle switch. Flicking the switch once turns the lamp on. Another flick will turn the lamp off. Now suppose that there is a being who is able to perform the following task: starting a timer, he turns the lamp on. At the end of one minute, he turns it off. At the end of another half minute, he turns it on again.
The theoretical power output of the device can be computed by taking the simple potential energy generated by raising a mass to a specified height, and then dividing it by the desired time that the light is to stay lit. Even a relatively large mass of 10 kilograms (22 lb), when raised to a height of 1 metre (3.3 ft) produces a maximum available ...
The kit included a camera, film, and a movie viewer. When the movie was shot, it would be taken out of the camera and then inserted into the viewer for development, then viewed after development. This format was close to Super 8 mm film. Polavision film was different from normal film in that it was an additive film, mixing the primary colors ...
The term time-lapse can also apply to how long the shutter of the camera is open during the exposure of each frame of film (or video), and has also been applied to the use of long-shutter openings used in still photography in some older photography circles. In movies, both kinds of time-lapse can be used together, depending on the ...
15 Minutes is a 2001 American satirical buddy cop action thriller film directed and written by John Herzfeld and starring Robert De Niro and Edward Burns.Its story revolves around a homicide detective (De Niro) and a fire marshal (Burns) who join forces to apprehend a pair of Eastern European murderers (Karel Roden and Oleg Taktarov) videotaping their crimes in order to become rich and famous.