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2025年10月15日 / Last updated : 2025年10月15日 桑子 研 Science

When It Fizzes—A Peek into the Ancient Sea! Uncovering the Mystery of Rocks with Just a Drop of Acid (Limestone vs. Chert)

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. [This article is also available on the radio!] A smooth, white rock lying on the side of the road. Wouldn’t you want to know its true identity? Like a detective in a forensic investigation, a single drop of a “magic liquid” can unlock the […]

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 […]

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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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