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October 2025

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2025年10月12日 / Last updated : 2025年10月12日 桑子 研 Science

From Red Wine to Blue Flame: The Science of Distillation and How to Do It Safely

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Imagine extracting a clear liquid from wine and setting it ablaze with a vibrant blue flame… It sounds like something out of alchemy, but this slightly sophisticated experiment is actually a scientific technique called “Distillation,” typically taught in middle school science class. Today, we’re […]

2025年10月11日 / Last updated : 2025年10月11日 桑子 研 Science

Chopstick Challenge: The Invisible Power of Air That Beats Super Strength!

Ken Kuwako, Science Trainer. Every Day is an Experiment. It’s like magic! Imagine being able to snap a hard chopstick (or a wooden ice cream stick!) clean in half using nothing more than a single sheet of newspaper. What’s your first reaction? You’re probably thinking, “No way that’s possible!” Well, get ready to be amazed. […]

2025年10月11日 / Last updated : 2025年10月11日 桑子 研 Science

The Secret Science of Melting: Why Your Heating Stops Working (The Hidden Drama of Palmitic Acid)

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! Chocolate melts in your hand. Water turns into a solid block of ice in the freezer. All around us, “changes of state”—where a substance transforms its appearance—happen so naturally we barely notice. But have you ever closely watched what happens to a substance’s temperature […]

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

Zapping Your Way to Science: How to Build the Mind-Bending Moore’s Motor

I’m Ken Kuwako, a Science Trainer. Every day is an experiment. Is Static Electricity Performing Magic? The Whimsical ‘Moore’s Motor’ You know that “Zap!” you get when you touch a doorknob on a dry winter day, or how your hair stands up when you take off a sweater? That’s static electricity—it’s everywhere around us, a […]

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

Earthquake Lesson Revamp: The Mind-Blowing Digital Tool That Makes P-Waves and S-Waves Click!

Ken Kuwako, Your Science Trainer. Every Day is an Experiment. Today, I’m thrilled to share an absolute gem of a digital tool that will dramatically spice up your earthquake lessons. A colleague told me about this resource, created by Dr. Kiwamu Nishida from the Earthquake Research Institute at the University of Tokyo, and honestly, I […]

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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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2025年12月29日

Twisting Light to Create Color at Home! Turn Scotch Tape into Magical Paint — Make a Polarized Light Kaleidoscope

2025年12月28日

【Quiz】Which Is Heavier After the Cut? A Carrot at the Balance Point! – Exploring Torque with Vegetables

2025年12月27日

Visualizing Physics with a Flying Hammer! Revealing the Beautiful Path of the Center of Mass Using a Smartphone App

2025年12月26日

When Your Fridge Becomes a Lab: The Fascinating World of Standing Waves Drawn with Springs and Magnets

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Just Stack It and Electricity Flows! The Burger-Style Voltaic Battery and the Drama of Redox Reactions

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