Light Bulb Lifespan, Brightness and Efficiency

HN's go-to link for correcting the lightbulb conspiracy myth, giving an engineer's view of the lifespan versus efficiency tradeoff.

Technology Connections examines why light bulbs have the lifespans they do, including the real history of the Phoebus cartel. He shows that bulb life trades off against brightness and efficiency rather than being simple planned obsolescence.