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Math Is Fun Math Is Fun

The Butterfly Effect

“Have you heard about the Butterfly Effect?” I asked my son. “What is it?” “You know weather is highly unpredictable, especially in the longer term, right? Weather forecast is reasonably accurate for the next few days, but it is not accurate at all to predict the weather a month later.” “Right, that’s why the weather…

Math Is Fun Math Is Fun

Why are manhole covers round?

I was jogging outside with my son on the street and we saw a manhole. I recalled this famous interview question first popularized by Microsoft in the early days and then adopted by other companies: Why are manhole covers round? So I asked my son. “Because it looks nice?” “It’s more than that. There is…

Lusi Zhao International Fan Club Lusi Zhao International Fan Club

Oh My Emperor 哦！我的皇帝陛下

Recommendation: ⭐⭐⭐⭐ This was Zhao Lusi’s first show as the female lead. She captured the attention of the audience with her unique sense of humor and charm. The show was a low budget production and you can see that throughout the show. But with Zhao Lusi’s performance, it was wildly popular. Show Title: Oh My…

Math Is Fun Math Is Fun

Mobius Band

“How many sides does a paper have?” I asked my son, who was watching TV. “2” “What if I tell you I can make a paper have ONLY one side?” “No Way!” “Come and I will show you how to make a Mobius Band.” Well we are in the year 2021, so there is a…

Math Is Fun Math Is Fun

How tall is the Great Pyramid?

This is the second episode of the Greek mathematicians series. Today’s mathematician’s name is Thales. He is also a philosopher and astronomer. He is considered “the first” Greek philosopher and is sometimes referred to as the Father of Science. After the introduction, I started to tell my son the story of Thales. “Thales loved travelling.…