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It is difficult to overestimate the role of a light bulb in our lives. It is enough to remember the moments when the electricity suddenly goes out in the house - a feeling of helplessness, and sometimes panic, overcomes almost everyone. By the way, before the invention of the light bulb, people slept on average 10 hours a day, after - no more than 7.5. In this video, we will show you the processes of making incandescent and LED lamps. The author's line of documentaries by Alexey Vershinin - about the production and creation of simple things around us and the largest structures. #light bulb #howitworks #review #howitismade