Jazzy music plus light bulbs made by hand! This promotional video from William & Watson in London, England demonstrates how their vintage filament bulbs are put together and tested. From Wikipedia:
An incandescent light bulb… is an electric light with a wire filament heated to such a high temperature that it glows with visible light (incandescence). The filament, heated by passing an electric current through it, is protected from oxidation with a glass or quartz bulb that is filled with inert gas or evacuated… The light bulb is supplied with electric current by feed-through terminals or wires embedded in the glass…
Incandescent bulbs typically have short lifetimes compared with other types of lighting; around 1,000 hours for home light bulbs versus typically 10,000 hours for compact fluorescents and 30,000 hours for lighting LEDs.
Update: Learn more about the light bulb’s origins with materials scientist Ainissa Ramirez’s book The Alchemy of Us: How Humans and Matter Transformed One Another (Bookshop, Amazon) and this Short Wave science podcast:
• Glas, The Glass Ribbon Machine
• Borrowed Light
• How to build your own DIY light bulb.
• How the Baccarat crystal studio makes a blown crystal chandelier
via The Awesomer.
This Webby award-winning video collection exists to help teachers, librarians, and families spark kid wonder and curiosity. TKSST features smarter, more meaningful content than what's usually served up by YouTube's algorithms, and amplifies the creators who make that content.
Curated, kid-friendly, independently-published. Support this mission by becoming a sustaining member today.