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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 […]

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

The Secret Science of Sway: How Danish Mobiles Nail the “Equilibrium of Moments”

I’m Ken Kuwako, a Science Trainer. Every day is an experiment! The colorful decorations that sway gently—mobiles. They are so soothing just to look at, aren’t they? But have you ever stopped to wonder, “How is that exquisite balance achieved?” Believe it or not, there’s a fascinating physics “secret” hidden inside that simple form. Today, […]

2025年11月12日 / Last updated : 2025年11月12日 桑子 研 Science

Magnet Tricks: Making Dandelions Bloom with the Invisible Hand of Science

I’m Kuwako Ken, your Science Trainer. Every day is an experiment. Sprinkle glittering powder onto a “lonely picture of just a stem,” and instantly, a dandelion bursts into full bloom! Sprinkle powder onto a girl’s empty hand, and poof—a vibrant pom-pom appears! It looks like magic, but of course, there’s a trick. Today, I’m introducing […]

2025年11月12日 / Last updated : 2025年11月24日 桑子 研 Science

The Cloud Maker: The Hidden Science of Your Soda Saver

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment. That fizzy carbonated drink after a sports practice or on a hot day is simply the best! But everyone has had that disappointing experience: you put an opened bottle back in the fridge, take a sip the next day, and think, “…Ugh. It’s […]

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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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