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Around this time the Bunsen burner was in use along with some forms of electricity. The Welsbach was based on the idea of the Bunsen burner, still using gas. A cotton mesh with cerium and thorium was imbedded into the Welsbach. This source of light was named the gas mantle; it produced three times more light than the naked flame. [40]
The term gaslighting is more often used to refer to a pattern of behavior over a long duration, not a one-off instance of persuasion, but the method(s) of persuasion is the defining trait of gaslighting behavior. [17] Over time, the listening partner may exhibit symptoms often associated with anxiety disorders, depression, or low self-esteem ...
1835 James Bowman Lindsay demonstrates a light bulb based electric lighting system to the citizens of Dundee. 1841 Arc-lighting is used as experimental public lighting in Paris. 1853 Ignacy Łukasiewicz invents the modern kerosene lamp. 1856 glassblower Heinrich Geissler confines the electric arc in a Geissler tube.
The concept of gaslighting originated from the 1944 film “Gaslight” and the 1938 play on which it was based. In it, “a husband is trying to convince his wife that she’s going insane and ...
“Gaslighting is a considered attempt to make someone question their perception of reality in an effort to gain power or control in a relationship, whereas lying can have many justifications ...
"Gaslighting, in its original form, is usually a part of what we call characterological abuse based on Dr. Gottman's research on domestic violence," she explains—which you can read more about in ...
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The mantle is a roughly pear-shaped fabric bag, made from silk, ramie-based artificial silk, or rayon. The fibers are impregnated with metallic salts; when the mantle is first heated in a flame, the fibers burn away in seconds and the metallic salts convert to solid oxides, forming a brittle ceramic oxide shell in the shape of the original fabric.