Inventions
Incandescent Light Bulb
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An incandescent light bulb, also known as an incandescent lamp or incandescent light globe, is an electric light that produces illumination by Joule heating a filament until it glows. Thomas Edison's carbon-filament lamp underwent a successful test on 22 October 1879.
Facts
YearSourced to the subject's own accountQuote refers to Thomas Edison's carbon-filament lamp per the source's surrounding text; earlier incandescent lamps by other inventors, including Joseph Swan, are also described in the source. Sources
1. Incandescent Light Bulb (Wikipedia)
WikipediaLead section (entity-description)Quote, Lead section (entity-description)
An incandescent light bulb, also known as an incandescent lamp or incandescent light globe, is an electric light that produces illumination by Joule heating a filament until it glows.
1. Incandescent Light Bulb (Wikipedia)
WikipediaHistory section (Edison's test)Quote, History section (Edison's test)
The first successful test was on 22 October 1879.
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