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2025年10月14日 / Last updated : 2025年9月14日 桑子 研 Science

Journey North from the Nobel Prize Lands: The Hidden Science of Sweden’s Rural Bridges

【This article is also available on the radio!】 When you talk about the strength and design of structures in class, what examples do you use? Probably familiar buildings, famous bridges, or diagrams from textbooks, right? But what if the structure you’re talking about is in a beautiful, picturesque landscape in a faraway country? That would […]

2025年10月14日 / Last updated : 2025年10月14日 桑子 研 Science

The Magic Mirror Trick: How a Half-Eaten Cake Comes Back! A Fun Card Mirror Experiment for Students

Here is the translated blog post, crafted to be natural, engaging, and easy for a native English-speaking general audience to read! Hello! I’m Ken Kuwako, your Science Trainer, and for me, every day is an experiment! You stand in front of a mirror and see “another you.” While it’s an everyday sight, the world inside […]

2025年10月14日 / Last updated : 2025年10月14日 桑子 研 Science

Volcanic Showdown! Discover the Unique Secrets of Mt. Fuji and Kīlauea through Google Maps 3D

Ken Kuwako, Science Trainer. Every Day is an Experiment. What shape comes to mind when you hear the word “volcano”? Chances are, most of us picture that beautiful, straight-up cone shape, like Mount Fuji. But did you know that the world is also home to volcanoes as flat as a giant pancake, and others that […]

2025年10月13日 / Last updated : 2025年10月13日 桑子 研 Science

Pancake Power: How Magma’s Stickiness Shapes the World’s Volcanoes (DIY Kitchen Eruption!)

I’m Ken Kuwako, Science Trainer. Every day is an experiment. A Preparation List for Kitchen Volcanologists To replicate the Earth’s interior in this experiment, you surprisingly only need baking ingredients and common household items. The Main Ingredient (Magma Base): Pancake Mix Tools for Mixing Magma: Paper cups (2), Water, Spatula (or spoon) Tools for Creating […]

2025年10月13日 / Last updated : 2025年10月13日 桑子 研 Science

A Tiny Universe in a Petri Dish: Discover the Magic of Diffusion with Coffee Sugar in Just 10 Minutes!

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! Have you ever gently dropped a sugar cube into a cup of tea? Even without stirring, a ripple of amber color slowly, yet surely, spreads outward… You might think, “Well, it’s dissolving—what’s the big deal?” But hidden within that seemingly “obvious” process is an […]

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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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