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While a tungsten light bulb's filament is much warmer than its surroundings, Planck's law offers a good approximation of the spectrum of photons it emits. The new study from the University of ...

However, others had light bulb patents. Albon Man and William ... (See the video below if you want to see the effect of air on a tungsten filament.) He invented a process for forming thin metal ...

No you're not imagining it. Headlights have gotten brighter, and Michiganders have limited options for dealing with the issue.