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Light bulb filament
Bill takes apart an incandescent to show how the tungsten filament is made. He shows it in extreme close-up and also discusses the material processing needed to produce ductile tungsten.
The Incandescent Lamp
How it works, History, Inventors and Examples. Advantages and disadvantages of the Incandescent Lamp. Light bulb collector Rick DeLair take you on a tour of the most popular form of electric light in history. Inventors: Sir Humphry Davy, Moleyns, Edison, Swan, Coolidge, Langmuir, Tonks, Pipkin. P...
Light Bulbs | LED vs. Incandescent
Why are LEDs so much more efficient than incandescent light bulbs? Do LEDs have disadvantages? These are some of the questions I answer in this video about light bulbs. I also test the claimed wattage and find some anomalies... Full music credit: Neo Western - Kevin MacLeod (incompetech.com) Li...
How Light Bulbs Are Made
The incandescent light bulb is made from two separate factory lines that eventually merge. One prepares the glass bulb. The other make the electrical components in the light bulb. Watch full episodes of the Science Channel series “How It’s Made” on the Science GO app or at: http://insder.co/How...