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2025年11月15日 / Last updated : 2025年11月15日 桑子 研 Science

The 90% Rule: A Science Trainer’s Ultimate Checklist to Stop Your Workshop from Turning into a Nightmare

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment. That moment when participants’ eyes light up with a “Wow!” or “I get it!”—that’s the greatest thrill of hosting a science workshop. But that moment of “magic” can turn into a “nightmare” in an instant. This usually happens because of a simple preparation slip-up, […]

2025年11月15日 / Last updated : 2025年11月15日 桑子 研 Science

“Where Is the Image?” Hands-On Mirror Magic with a Half-Mirror – A Fun Experiment Leading to the Law of Reflection

I’m Ken Kuwako, Science Trainer. Every day is an experiment! Every time you look in the mirror, you see yourself reflected. But have you ever paused to wonder, “Exactly where is the ‘me’ in the mirror?” In science class, we learn the rule: “The distance from the mirror to the object is equal to the […]

2025年11月15日 / Last updated : 2025年11月15日 桑子 研 Science

Wireless Wonders: Experience the ‘Invisible Force’ of Faraday’s Induction

I’m Ken Kuwako, a science trainer. Every day is an experiment. You can charge your smartphone just by placing it on a charging pad. You can pass through a ticket gate simply by tapping an IC card. Isn’t that amazing? All of these rely on technology that transmits electricity or information without a physical cord. […]

2025年11月14日 / Last updated : 2025年11月14日 桑子 研 Science

Easy Home Science! Project an “Upside-Down World” on Your Wall — The Magic of Lenses and Light

I’m Ken Kuwako, a Science Trainer. Every Day is an Experiment. Back to the Special Page Do you remember that classic science class experiment using a candle, a magnifying glass, and a screen? In the dark room, when the upside-down image of the candle flickered onto the screen—a bit blurry, yet clearly there—didn’t you feel […]

2025年11月13日 / Last updated : 2025年11月13日 桑子 研 Science

Turning Fear into “Wow!”: A Complete Guide to Pig Eye Dissection (Prep to Cleanup)

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. Have you ever stopped to wonder about the mystery of “sight”? The fact that you’re reading this article right now is because your eyes are capturing light and sending that information to your brain. But have you ever truly imagined the mechanism inside that […]

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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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