Foucault

(noun.) French physicist who determined the speed of light and showed that it travels slower in water than in air; invented the Foucault pendulum and the gyroscope (1819-1868).

菲力克斯校对

• The French were among the first to contrive such regulators,--Duboscq, Foucault, Serrin, Houdin, and Lontin invented most useful forms of such apparatus. 威廉·亨利·杜利特. 世纪发明.
• He split up the iron core of the armature into thin laminations, separated by paper, thus practically suppressing Foucault currents therein and resulting heating effect. 弗兰克·刘易斯·戴尔. 爱迪生的生平和发明.
• Nevertheless very efficient electric lamps working by voltaic batteries were devised by Foucault, Duboscq, Deleuil and others as early as 1853. Edward W. Byrn. 十九世纪发明进展.
• Electric Lamps devised by Foucault and Duboscq. Edward W. Byrn. 十九世纪发明进展.

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