How Does a Light Bulb Work?

The video explores the evolution of lighting from candles to Edison's incandescent bulb, highlighting its components and inefficiencies. It then discusses alternative lighting technologies like halogen, fluorescent, and LED bulbs, emphasizing their energy efficiency. The video concludes with a look at sustainable lighting solutions and future innovations.

What are some of the efficient alternatives to traditional incandescent bulbs mentioned in the text?

How do LED bulbs differ from incandescent bulbs in terms of energy efficiency?