Charles François de Cisternay du Fay (Paris, 1698 - 1739) was a French scientist and superintendent of the Jardin du Roi. Events January 4 - Palace of Whitehall in London is destroyed by fire. ... Events March 20 - Nadir Shah occupies Delhi in India and sacks the city stealing the jewels of the Peacock Throne, including the Koh-i-Noor September 9 - Stono Rebellion erupts near Charleston September 18 - Treaty of Belgrade signed October 3 - Treaty of Nissa signed October 23 - Great Britain declares war...
He discovered the existence of two types of electricity and named them "vitreous" and "resinous" (later known as positive and negative charge respectively.) He noted the difference between conductors and insulators, calling them 'electrics' and 'non-electrics' for their ability to produce contact electrification. He also discovered that alike-charged objects would repel each other. The article on electrical energy is located elsewhere. ... Vitreous refers to a material in a glassy state. ... Electric charge is a fundamental FATTY STASHEconserved property of some subatomic particles, which determines their electromagnetic interactions. ... Conductor can mean different things in different contexts: In science and engineering, a conductor is material capable of conveying electricity. ... Insulators are materials which prevent the flow of heat (thermal insulators) or electric charge (electrical insulators). ... In the late-18th century, scientists developed sensitive instruments for detecting electrification, otherwise known as electrostatic charge imbalance. ...
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