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2025年9月12日 / Last updated : 2025年9月12日 桑子 研 Science

Motors playing music!? Your motor just became a bone conduction earphone!

This is Ken Kuwako, your Science Trainer. Every day is an experiment. We all use earphones every day, whether they’re in-ear or over-ear models. But did you know there’s a way to listen to sounds without using your ears at all? Today, we’ll use some common items to perform a simple experiment that demonstrates the […]

2025年9月12日 / Last updated : 2025年9月12日 桑子 研 Science

MJ Can’t Be Beat! A Michael Jackson-Inspired Physics Experiment

This is Ken Kuwako, your Science Trainer. Every day is an experiment. Have you ever seen an empty can balanced like this? First, take a look at this video or photo. You’ll see a tall, slender can balanced at a seemingly impossible angle. It’s a truly unbelievable sight, isn’t it? The posture of the can […]

2025年9月11日 / Last updated : 2025年9月11日 桑子 研 Science

Blast Off! An Easy DIY Science Experiment for Kids: The Paper Cup Rocket

I’m Ken Kuwako, a science trainer. Every day is an experiment. Do you know about a special ‘flying experiment’ that the whole family can enjoy? All you need are cardboard and paper cups that you have at home. No special tools are required. You might be surprised and think, “Huh? Can it really fly?”, but […]

2025年9月11日 / Last updated : 2025年9月11日 桑子 研 Science

Hold Science in Your Hand! Unlocking the Secret of the Vein’s One-Way Valve

Hi, I’m Ken Kuwako, a science trainer. Every day is an experiment. Have you ever thought about how blood flows through your body? With every beat of your heart, blood circulates throughout your entire body, delivering energy and oxygen. Imagine this: the blood pumped by your heart travels all the way to the tips of […]

2025年9月10日 / Last updated : 2025年9月10日 桑子 研 Science

From “EEK!” to “THANK YOU!”: The Surprising Truth About Japan’s Largest Huntsman Spider

I’m Ken Kuwako, your science trainer. Every day is an experiment. Have you ever shrieked, “A spider!” and jumped in surprise? When I found a huntsman spider at school, I got that same jolt. The one I saw before was so big and imposing that it made me shriek, “Yikes!” But the one I found […]

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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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