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2025年9月22日 / Last updated : 2025年9月22日 桑子 研 Science

Crystal Clear Science: Making Crystals in Your Kitchen to See How Volcanic and Plutonic Rocks Are Born!

Hello! I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! Have you ever taken a really close look at a rock on the side of the road? Some sparkle with large, glittering grains, while others are dull with tiny specks. Believe it or not, these visual differences hide a grand drama deep within […]

2025年9月21日 / Last updated : 2025年9月21日 桑子 研 Science

Why Do Bananas Look Yellow? Unveiling the Secrets of Light and Diffuse Reflection at Home

I’m Ken Kuwako, a science trainer. Every day is an experiment! You can see your face clearly when you look in a mirror, but when you look at the desk or wall in front of you, nothing is reflected back… Ever wondered why? 🤔 The secret to how we “see” the world isn’t a mirror’s […]

2025年9月21日 / Last updated : 2025年9月21日 桑子 研 Science

How to Dilute Hydrochloric Acid, Sulfuric Acid, Ammonia, and Copper Chloride: Master the Basics of Dilution for Safe Lab Prep!

I’m Ken Kuwako, a science trainer. For me, every day is an experiment. 【Read this article in English】 When handling chemicals in the science lab, a solid understanding of dilution is essential for conducting experiments “safely, accurately, and efficiently.” In this guide, I’ve put together key dilution methods, safety protocols, and practical concentration levels for […]

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, […]

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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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