Radiant History - Page 3

Haitz Law

Roland Haitz is an industry pioneer when it comes to the development of LED technology. The result of his work, the Haitz's

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The Davy Lamp

The Davy Lamp is a unique invention that was created by Sir Humphry Davy, an English chemist, in the early 19th century.

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Carbon Filament

Carbon filament is a type of filament that was used in early incandescent light bulbs. The development of carbon filament is a

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