I know no property of a gyroscope that conflicts... with the conservation of energy. ... is in the same state today that as it was in the fifteenth c… - Eric Laithwaite

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I know no property of a gyroscope that conflicts... with the conservation of energy. ... is in the same state today that as it was in the fifteenth century when Leonardo da Vinci denounced it so properly. ...If you really want to see perpetual motion, look into the sky on a cloudless night and marvel at the size and movement within the Universe.

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About Eric Laithwaite

Eric Roberts Laithwaite (14 June 1921 – 27 November 1997) was a British electrical engineer, known as the "Father of " for his development of the and maglev rail system. He and Fredrick Eastham designed a self-stable magnetic levitation system called (which incidentally appeared in the film The Spy Who Loved Me). Laithwaite derived an equation for "goodness", which parametrically described motor efficiency in general terms, and which he interpreted as implying that motor efficiency increases with size. He made many television appearances, including the to young people in 1966 and 1974. Laithwaite was also a keen amateur entomologist and the co-authored The Dictionary of Butterflies and Moths (1975).

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Alternative Names: Eric Roberts Laithwaite
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The research director of Linear Motors Ltd told me in the late 1970s that he had then listed over one thousand different applications for linear motors. By this he meant that motors had been manufactured and sold for that number of different jobs. The most common applications included sliding doors, traveling cranes and conveyors. The items that were moved varied from 0.1 mg... to over 5 tonnes.

An engineer is first and foremost a scientist. ...an applied scientist ...whose ultimate objective is the profitable manufacture of articles... Academic engineers may argue that they are as concerned with profitable concepts... To this extent they run alongside the pure scientist... with at least half an eye on the profits and with problems many orders of magnitude greater in complexity... In such a no-man's land he is hand-in-hand with his medical colleague, who faced with a malignant disease must let the patient die or try something.

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It is not strange that the engineer fails to produce a unique solution, that his product is seen to be the result of 'art' more than science. ...The product becomes a matter of opinion... and joins the ranks of many other products such as literature, painting and sculpture, and... clothing. It has, in fact, its own history of Fashion.

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