Using the principle of similar triangles to measure tree height

Let's do a rainbow-farting challenge today 🌈 haha

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You can play with bubbles like this?

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Why didn’t I have this toy when I was a kid?

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You can do ten experiments using just one cup of water recycled repeatedly!

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My son made me a waterspout that’s shaking the world!

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Who would have thought two A4 sheets could fly so high?

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You could go perform magic now.

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Why is the noodle bag designed this way?

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Talk about a surprise first thing in the morning!

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I’ve honestly never seen anything like it in my life.

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This is just unbelievable—can anyone explain it?

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This is how airplanes actually take off.

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You can even see such a beautiful rainbow at night!

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After all the anti-static methods circulating online, I finally found one that actually works.

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Looks like we can save the money for buying speakers.

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Why does it feel like it's easier to get the cork out than to put it in?

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The tissue paper burned yet remained completely intact.

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It actually works!

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What's the principle behind this? #FatherAndSonEverydayLife

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If you don’t understand math and science, everything feels like magic.

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