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2025年9月20日 / Last updated : 2025年9月20日 桑子 研 Science

Science at the Dinner Table! Pop! Is Sprinkling Salt Really the Same as the “Daruma Otoshi” Trick? (Law of Inertia)

The Law of Inertia Hiding in Your Kitchen The law of inertia, which is so seamlessly integrated into our daily lives, can be found right in the kitchen. It’s that simple act of sprinkling salt! When you’re cooking, you rhythmically shake salt or pepper onto your food, right? That seemingly simple motion is actually a […]

2025年9月20日 / Last updated : 2025年9月20日 桑子 研 Science

Struggling with Those Scissors? Rethink Your Tools with the Science of Levers and Work!

I’m Ken Kuwako, a science trainer. Every day is an experiment! Hello everyone! Do you ever just grab a pair of scissors or pliers from your drawer and use them without thinking? What if knowing the hidden rules of force behind these tools could make your daily life smarter and more fun? The truth is, […]

2025年9月20日 / Last updated : 2025年9月20日 桑子 研 Science

Too Late Once You See It! Learn the Secret of the ‘0.2-Second Wall’ with the Banknote Catch Challenge (Reaction Speed)

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Imagine a 1000-yen bill fluttering right in front of you. What if you could snatch it with your fingers? If you could, it’s yours! Wouldn’t you want to try a challenge like that? 😉 At first glance, it seems like a super easy […]

2025年9月19日 / Last updated : 2025年9月19日 桑子 研 Science

Why Can’t Sweet Corn Pop? The Explosive Secrets of Volcanoes and Magma

I’m Ken Kuwako, a science trainer. Every day is an experiment. 【This article is also available as a radio broadcast!】 You can’t make popcorn from the sweet corn sold at the supermarket. The truth is, popcorn comes from a special kind of corn called “Popcorn Corn.” If you touch it, you’ll find it’s incredibly hard. […]

2025年9月19日 / Last updated : 2025年9月19日 桑子 研 Science

Can You Crack This Equation? The Brilliant Code Hidden in MIT Chocolate

Hello, I’m Ken Kuwako, the Science Trainer. Every day is an experiment. Can you solve this equation? The incredibly clever code hidden in MIT’s chocolate A sudden challenge for you, science lovers! Can you crack the “code” written on this chocolate wrapper? This isn’t just any chocolate. My friend O from university showed it to […]

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運営:桑子研(くわこ けん)
科学の楽しさや不思議、感動を多くの人に届けていきたい。サイエンストレーナーとしてテレビ番組の科学監修・出演、実験教室、科学本執筆なども行っています。

Author: Ken Kuwako
My mission is to share the joy, wonder, and excitement of science with as many people as possible. As a Science Trainer, I stay busy supervising and appearing on science-themed TV programs, hosting hands-on experiment workshops, and authoring science books.

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