Do your kids or grandkids use TikTok? Don't let them near your chicken — they might try to marinate it with NyQuil! Plus, you can now ask Google to remove your personal data. Also, new Windows 11 features, scary elder fraud report, how to sell stuff online, Lockdown Mode for iPhones and iPads and things in your home that may be worth more than you think.

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If the Earth were one giant atom, the nucleus would be so small it would fit inside a baseball stadium. That means the rest of the world would just be electrons. So, if atoms are made of basically empty space, why doesn't light pass right through them? Why isn't everything and everyone transparent? And what makes some objects, like glass, see-through?

Engineers developed the first modern computers during World War II to crack secret codes and compute artillery ranges. But almost 100 years earlier, a brilliant scientist was developing a mechanical computer that could do many of the same things. Today's tech might've been very different, had he completed it. So why didn't he finish?

See if you can spot this on your next flight: Every runway at the airport has a different number on each end. Of course, these numbers aren't random. They are decided by an insanely complex system that all airports stick to. This is worth watching just to show off your newfound knowledge someday!

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