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2025年11月2日 / Last updated : 2025年11月2日 桑子 研 Science

Electric Current’s True Identity: A Visual Guide to Cathode Rays (A Must-See Crookes Tube Experiment!)

I’m Ken Kuwako, a Science Trainer. Every day is an experiment. Which Way Does Current Flow? Chasing Electron Beams with a Crookes Tube! The topic of “current direction” taught in middle school science is surprisingly deep and fascinating once you start talking about it. Your textbook says that “electric current flows from the positive (+) […]

われはロボット
2025年11月1日 / Last updated : 2025年11月1日 桑子 研 Science

The Robot Uprising That Starts With A Loophole: Why Asimov’s Three Laws Still Freak Us Out

Hello, I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! How many “robots” or “AIs” do you have around you right now? Whether it’s a Roomba cleaning your floors, an AI speaker answering your questions, or an assembly line robot in a factory, our lives might already be inseparable from them. But what […]

2025年11月1日 / Last updated : 2025年11月1日 桑子 研 Science

Inside the Secret of Flowers! Dissecting Azaleas & Rapeseed Blossoms — Long-Term Preservation with OPP Tape!

Meet Ken Kuwako, the Science Trainer. Every Day is an Experiment. Exploring the Anatomy of Flowers: Brassica and Azalea Spring is the season when all sorts of flowers begin to bloom. This time, we delved into the “Structure of Flowers”, a core topic in first-year junior high school biology, by observing and dissecting the flowers […]

2025年11月1日 / Last updated : 2025年11月1日 桑子 研 Science

The Shocking Truth: How a Gemstone Named “Amber” Gave Us “Electricity”

Meet Ken Kuwako, the Science Trainer. Every Day is an Experiment. Electricity is essential to our daily lives. With a flick of a switch, a room lights up; charge your phone, and you’re connected to the entire world. This familiar force—electricity—is all around us, but did you know that the word “electricity” actually originates from […]

2025年10月31日 / Last updated : 2025年10月31日 桑子 研 Science

Kitchen CSI: Unmasking the White Suspects (Salt, Sugar, and Flour!)

Every Day is an Experiment. Take a look at those pure white powders in your kitchen. Sugar, salt, flour. They look identical, but what if they got shuffled up and you couldn’t tell which was which? How would you identify them? (No tasting allowed!) This time, we’re diving into a “Science Mystery” lurking in our […]

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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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