Brainstuff
Why are traffic lights being replaced with LEDs?
- Autor: Vários
- Narrador: Vários
- Editora: Podcast
- Duração: 0:01:58
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Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.
