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2026年3月5日 / Last updated : 2026年3月5日 桑子 研 Science

When the Electric Hill Goes Flat!? The Magic of Capacitors Revealed in 3D Graphs (Using Grapher)

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! When you hear the word “electricity,” what kind of shape do you imagine? Let’s face it—understanding the invisible world of electricity can be a bit of a head-scratcher. In science class, we learn about a device called a “capacitor.” We’re taught that inside a […]

2026年3月4日 / Last updated : 2026年3月4日 桑子 研 Science

A Science Show Smash Hit! Find the Perfect Formula for Elephant Toothpaste!

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment! 【This article is also available on my radio show!】 Have you ever heard of the experiment called Elephant’s Toothpaste? Once the reaction starts, a massive, fluffy fountain of foam bursts out, looking just like a giant tube of toothpaste being squeezed! It’s a […]

2026年3月3日 / Last updated : 2026年3月3日 桑子 研 Science

Change Your Perspective, Change the World? The Defining Moment of “Centrifugal Force” Captured by a Spinning Camera

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Have you ever felt a mysterious force pinning you against the side of a spinning teacup at an amusement park, or felt yourself leaning outward as a car takes a sharp turn? It’s that “whoa!” moment where you instinctively brace yourself. Believe it or […]

2026年3月2日 / Last updated : 2026年3月2日 桑子 研 Science

Can You Capture Spring with Science? A Stylish Pressed-Flower Experience Controlling Plant Moisture (Plum & Cherry Blossoms)

Hi, I’m Ken Kuwako, your Science Trainer. To me, every day is a new experiment! With the arrival of spring, plum and cherry blossoms are in full, vibrant bloom. Don’t you think it would be wonderful to capture that fleeting beauty and keep it with you forever? From a scientific perspective, making pressed flowers is […]

2026年3月1日 / Last updated : 2026年3月1日 桑子 研 Science

What’s That Force in Your Coffee Cup? Discover the Amazing World of “Centrifugal Force” Through Science! (Spinning Rides)

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! 【This article is also available on Radio!】 Have you ever been on a spinning teacup ride at an amusement park or a merry-go-round at the local playground? If so, you’ve probably felt that mysterious sensation of being pulled outward as you spin faster 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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