From Glowing Wires to Amplifiers…
As early as 1761, it was known that heating a wire, or filament, could create a glow, called “incandescence.” By the middle of the 19th century, there were several scientists working on the problem of creating a sustainable electric lightbulb. One of the discoveries made was that a filament burns up in the presence of … Continue reading From Glowing Wires to Amplifiers…