Why Reality Reaches You Late _ The Sleepy Scientist
"The Sun is 8 minutes away at the speed of light. When you see it, you're looking into the past." Everything we see happened in the past. The speed of light is the universe's speed limit. It may not seem important to our daily lives, but this delay reveals a fundamental truth: there is no such thing as "now" in a cosmic sense. The farther away we look, the further back in time we see. Let these quiet, strange facts about the universe's built-in delay carry you into a deep, restful sleep.
The skinny
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