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2025年10月1日 / Last updated : 2025年10月1日 桑子 研 Science

Just Mix It and Reach 80°C!? Discover the Heat of Rust with a DIY Hand Warmer! Learn the Science of Exothermic Reactions by Making Your Own

I’m Ken Kuwako, a Science Trainer. Every Day is an Experiment. On a cold winter day, the gentle warmth of a heat pack tucked into your pocket feels like a gift from the heavens, doesn’t it? But have you ever stopped to imagine what is actually happening inside that small pouch? That little bag is, […]

2025年10月1日 / Last updated : 2025年10月1日 桑子 研 Science

Catchy Title Suggestion: Rock Detectives: Unlocking Earth’s Past in Your Hand

I’m Ken Kuwako, a Science Trainer, and for me, every day is an experiment. Think about a common, ordinary rock lying on the side of the road. Wouldn’t it be exciting if every single one was a “time capsule” delivered from deep within the Earth’s past? If you ask a child, “What do you see […]

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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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