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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 […]

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

Catch the Bending Light! Four Pins Reveal the Hidden Path of Light (Can You See Through the Trick Photo?)

Hi, I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! Have you ever noticed a straw in a glass of water looking like it’s bent or broken? Or the bottom of a swimming pool appearing shallower than it really is? These are all fascinating phenomena caused by light undergoing refraction, which simply means […]

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

Why Pixar’s Clouds Matter: A Science Teacher’s Lesson from “The Good Dinosaur”

This is Ken Kuwako, the Science Trainer. Every day is an experiment! “What if the dinosaurs never went extinct?” That’s the fascinating world depicted in the Disney/Pixar film, The Good Dinosaur. Have you all seen it yet? I’m a dinosaur fan, of course, but I went to see it on the big screen because I […]

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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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Recent posts

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2025年12月29日

Twisting Light to Create Color at Home! Turn Scotch Tape into Magical Paint — Make a Polarized Light Kaleidoscope

2025年12月28日

【Quiz】Which Is Heavier After the Cut? A Carrot at the Balance Point! – Exploring Torque with Vegetables

2025年12月27日

Visualizing Physics with a Flying Hammer! Revealing the Beautiful Path of the Center of Mass Using a Smartphone App

2025年12月26日

When Your Fridge Becomes a Lab: The Fascinating World of Standing Waves Drawn with Springs and Magnets

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Just Stack It and Electricity Flows! The Burger-Style Voltaic Battery and the Drama of Redox Reactions

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