Simply Explaining Complex Things You Always Wondered

This video goes over everything you have probably wondered, but never know, and it explains it simply.

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Timestamps:
0:00 How do mirrors work?
1:17 Why do onions make you cry?
2:27 Why do we get hiccups?
3:30 How do cats always land on their feet?
5:14 Why does your voice sound different in recordings?
6:49 How does Bluetooth work?
8:08 Why does your brain ignore the the second the?
9:05 How does caffeine work?
10:29 Why do you yawn?
11:50 How does Face ID know its you?

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These are oversimplified explanations designed to be engaging, they are not completely accurate. Enjoy!