LEDs are making our world cooler and bluer
Episode description
Today's story: LEDs have replaced older light sources in homes, offices, cars, and city streets. They are more efficient, longer-lasting, and more flexible. But unlike older lights, LEDs often give off cooler, bluer light. This shift in color temperature affects how our surroundings feel—and may even affect our sleep. Transcript & Exercises: https://plainenglish.com/831
Get the full story and learning resources: https://plainenglish.com/831
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