Brainstuff
How much coal does a light bulb need to run for a year?
- Autor: Vários
- Narrador: Vários
- Editora: Podcast
- Duração: 0:03:11
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Sinopse
How much coal do you need to run a 100-watt light bulb 24 hours a day for a year? The answer might surprised. Tune in and find out in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.