The History of Chemistry
Chemistry is everywhere, and involves everything. But how did chemistry get to be what it is? I'm Steve Cohen, a chemist and writer, bringing you The History of Chemistry. This podcast explores the development of chemistry from prehistoric times to the present, including the people and societies who made chemistry what it is today. The History of Chemistry is for you, whether you hated chemistry in high school, or got a PhD in inorganic chemistry. We'll explore how chemistry affected art, music, language, politics and vice-versa. Whether it's ancient Greek philosophers, medieval alchemists, or modern laboratory apparatus, it's all here. Don't forget to support my series at https://www.patreon.com/thehistoryofchemistry !
The History of Chemistry
99: Lite Brite
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Steve Cohen
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Episode 99
This episode covers the developments in inorganic LEDS in the 1980s and 1990s, including higher-brightness LEDs suitable for car brake lights and traffic signals, and especially practical blue LEDs. We discuss the first white LEDs as well.
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