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September 2025

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2025年9月28日 / Last updated : 2025年9月28日 桑子 研 Science

Rock Detectives: How to Uncover Earth’s Secrets with Just 6 Stones

Ken Kuwako, Science Trainer. Every Day is an Experiment! That pebble on the side of the road. That large boulder tucked away in the corner of the park. Wouldn’t it be thrilling if these were actually time capsules whispering tales of Earth’s ancient drama? Well, they might be! Many are actually igneous rocks, born deep […]

2025年9月28日 / Last updated : 2025年9月28日 桑子 研 Science

The Secret to Perpetual Motion: How Magnets and Electricity Power the Spinning Top

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! Floating Top U-CAS(Amazon) Have you ever encountered a mysterious top that, once set in motion, keeps spinning without anyone touching it? It seems like a magical item, but of course, there’s a scientific secret and mechanism at work. And hidden within that mechanism is […]

2025年9月28日 / Last updated : 2025年9月28日 桑子 研 Science

The Magic of Magnetism: How a Spinning Top Defies Gravity (and Why the Earth and Temperature Matter)

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! Floating Top U-CAS (Amazon) Have you ever seen a top float mysteriously in the air, as if by magic? At first glance, it might look like a superpower, but it’s actually a phenomenon that can be explained by science. Today, let me introduce you […]

2025年9月28日 / Last updated : 2025年9月28日 桑子 研 Science

Unlock a Hidden World: Turn a Dollar Store Cup into a Geologist’s Tool

I’m Ken Kuwako, the Science Trainer. Every day is an experiment! Think about the ordinary pebbles you see on the side of the road. You probably walk past them every day without a second thought. But what if you could peek into the epic drama of our planet hidden inside each and every one? Wouldn’t […]

2025年9月27日 / Last updated : 2025年9月27日 桑子 研 Science

[Science Supervised] Shocking Certificate?! Static Electricity Experiment with Suzu Hirose (Bubbling Word 10)

Ken Kuwako, Science Trainer. Every Day is an Experiment. The TV show “Futto Word 10” (Nippon TV) aired a segment where actress Suzu Hirose took my static electricity class in a science lab. I was happy to collaborate, hoping to make the fascinating and fun world of static electricity more familiar and enjoyable for a […]

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運営者: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。理科教師として勤務する傍ら、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
I want to share the fun, wonder, and excitement of science with as many people as possible. In addition to my work as a science teacher, I also work as a "Science Trainer," providing scientific supervision for and appearing on TV programs, holding hands-on science workshops, and writing science books.

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