If everyone in the world turned on the lights at the same time, what would happen?

August 16, 2025

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1 min read

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Space

An expert walks through what would happen if everyone turned their lights on at once, from power grids to solar energy to light pollution.

The power grid has more demand than it was initially designed for. This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. The biggest effect of everyone turni... [5368 chars]

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