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June 2026

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2026年6月25日 / Last updated : 2026年6月25日 桑子 研 Science

Chaos to Harmony: The Secret Behind 15 Pendulums Dancing in Perfect Sync

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. Fifteen pendulums sway, ripple like waves, twist into mesmerizing patterns, and then somehow return to their original positions as if nothing happened. The moment I saw this exhibit at the Science Museum, I couldn’t help but stop and watch. Take a look at the […]

2026年6月24日 / Last updated : 2026年6月24日 桑子 研 Science

It Went Off in Class! How Our “Human Chain Shock” Experiment with a Van de Graaff & Leyden Jar Spectacularly Failed

I’m Ken Kuwako, a science educator. Every day is an experiment. Not many science teachers can say they’ve literally been knocked off their feet during class. But real-life science experiments often contain surprises that never make it into the textbooks. Today, I’d like to share a story from one of my own experimental mishaps. It’s […]

2026年6月23日 / Last updated : 2026年6月23日 桑子 研 Science

Why Do Your Eyes Lie? Experience Your Brain’s “Prediction Mode” with 3D Trick Art (Tsukuba Expo Center)

I’m Ken Kuwako, a science trainer. Every day is an experiment. Your Eyes Are Lying to You! The Fascinating World of Trick Art “Wait, is that moving?” “It looks 3D — but how?” Have you ever stared at something and simply refused to believe what you were seeing? Today I want to share a mind-bending […]

2026年6月22日 / Last updated : 2026年6月22日 桑子 研 Science

A Balloon Becomes a Hand Warmer!? The Strange Science of Rubber and Heat — Warm When Stretched, Cool When Released

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. Stretch a balloon with a big “boiiing!” and suddenly your cheek feels warm. Let it relax back to its original shape, and it feels surprisingly cool. All you need is a single balloon. That’s enough to experience the fascinating world of thermodynamics firsthand. I […]

2026年6月21日 / Last updated : 2026年6月21日 桑子 研 Science

DIY Boomerang Experiment! Why Does It Come Back? The Science of Spin (Lift, Gyroscopic Effect & Precession)

I’m Ken Kuwako, a science trainer. Every day is an experiment. “Why does it come back when you throw it?” Anyone who sees a boomerang for the first time asks that exact question. And it turns out the answer involves not one but several layers of physics — the same science behind airplane wings and […]

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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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