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April 2026

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2026年4月18日 / Last updated : 2026年4月18日 桑子 研 Science

Secret Mouths Hidden Beneath Leaves? Capture Stunning Stomata with Your Smartphone (Tradescantia Observation Guide)

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Have you ever stopped to wonder how plants breathe? Even the most ordinary grass growing beneath your feet is hidden with countless “tiny mouths.” Peering into the Breath of Life Through a Microscope Microscope observation is always one of the most exciting highlights for […]

2026年4月17日 / Last updated : 2026年4月17日 桑子 研 Science

See the “Height” of Electricity!? Master Kirchhoff’s Laws in 3D (High School Physics)

Hi, I’m Ken Kuwako, your Science Trainer. To me, every day is an experiment. What comes to mind when you hear the phrase “electric circuits”? For many, it conjures up images of invisible electricity flowing through wires—something that feels a bit daunting and complex. Specifically, Kirchhoff’s Second Law, a staple of high school physics, is […]

2026年4月16日 / Last updated : 2026年4月16日 桑子 研 Science

Master the Toughest Topic in Physics: Helical Motion! Break Free from the Textbook with 3D Graphs (Grapher & GeoGebra)

I am Ken Kuwako, your Science Trainer. Every day is an experiment. Have you ever wanted to take those static diagrams from your physics textbook and make them dance in 3D right before your eyes? On a flat page, a phenomenon might look like nothing more than a tangled mess of lines. But when you […]

2026年4月15日 / Last updated : 2026年4月15日 桑子 研 Science

Transform Your Lessons! Effortless & Crystal-Clear Mitosis Observation with Safranin Solution

I am Ken Kuwako, a science trainer. Every day is an experiment. When you hear the phrase “mysteries of life,” do you picture the vastness of outer space or the depths of the ocean? Actually, an incredible drama is unfolding right beneath our feet, inside a single tiny onion seed. One cell becomes two, two […]

2026年4月14日 / Last updated : 2026年4月14日 桑子 研 Science

A Green Universe Under the Microscope! Discover Living Cells with Elodea

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Did you know that a “micro-universe” is hidden right beneath our feet or at the bottom of a river? The moment you peer through a microscope, you’re greeted by vibrant green grains dancing as if they have a mind of their own. Today, I’m […]

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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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