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2025年9月15日 / Last updated : 2025年9月14日 桑子 研 Science

Go Super Saiyan with Static Electricity! A Science Teacher’s 20-Year Quest for the Ultimate Hair-Raising Experiment

I’m Ken Kuwako, a science trainer. Every day is an experiment. On a dry winter day, you touch a doorknob and get a “ZAP!” or hear “CRACKLE!” when you take off your sweater. Everyone has experienced this phenomenon: static electricity. Did you know that this seemingly pesky thing actually holds an incredible power, just like […]

2025年9月14日 / Last updated : 2025年9月14日 桑子 研 Science

Hands-On Learning: Dissecting a Chicken Brain for Real Science!

I’m Ken Kuwako, a science trainer. Every day is an experiment. A Brain from a Can?! Observing a Chicken’s Brain! “What, a brain from a can?!” When I first heard it, I couldn’t believe it. But when I actually opened the can, it was packed full of real chicken heads. In this article, I’ll introduce […]

2025年9月14日 / Last updated : 2025年9月14日 桑子 研 Science

No Installation Needed! ‘CR-WEB’ (Narika) — The Perfect Tool for Sound Experiments, Even on School PCs

Don’t you find that sound unpleasant? Experience the mystery of “beats” with this free smartphone app! Imagine an orchestra before a concert or a band during practice. You hear various instruments playing their own notes, and it can sound like a chaotic cacophony, right? Well, hidden within that sound is a fascinating scientific phenomenon. This […]

2025年9月14日 / Last updated : 2025年9月13日 桑子 研 Science

Thermite Reaction: The Explosive Chemistry of Oxidation and Heat!

I’m Ken Kuwako, a Science Trainer. Every day is a new experiment. Have you ever heard the term “Thermite Reaction“? It’s a highly dramatic chemical reaction where iron oxide and aluminum powder are mixed and ignited, producing intense heat and light as iron is generated. This experiment, with its firework-like brilliance and the chance to […]

2025年9月14日 / Last updated : 2025年9月14日 桑子 研 Science

Exploring the Reality of Life Through a Sanma Dissection—Even Anisakis Makes an Appearance!

Ken Kuwako, Science Trainer. Every day is an experiment. 【This article is also available on YouTube Music!】 I’ll say it again: dissecting fish is just plain fun. But are you thinking it might be too challenging to do in a classroom setting? This time, inspired by this hands-on lesson, I decided to tackle a Pacific […]

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著者: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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