What If Everyone Turned off Their Lights at the Same Time?

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The good old days before electricity... Did we actually have it better before that first power plant started running?

What if everyone on Earth tried getting by with all their lights turned off?

We'd start the challenge with a perfect Earth Hour. 60 minutes of complete darkness - no artificial light allowed.

Transcript and Sources:

About What If:
Presented by INSH and Hashem al Ghaili

What If asks some of the most provocative hypothetical questions in science β€” and then tries to answer them with the help of established scientific theory and the latest research.

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