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October 2025

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2025年10月23日 / Last updated : 2025年10月23日 桑子 研 Science

Unveiling the Copier Mystery! Visualizing “Invisible Letters” Drawn by Static Electricity

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. Uncover the Secret of Copy Machines?! A Bizarre Experiment Using Static Electricity With just the push of a button, a copy machine seemingly duplicates paper like magic. We use them constantly at schools, convenience stores, and offices, but have you ever wondered about the […]

2025年10月23日 / Last updated : 2025年10月24日 桑子 研 Science

The Fire Wizard! Sparkling Colors Unleashed — Flame Reaction Fun with a Spray!

I’m Ken Kuwako, a Science Trainer. Every Day is an Experiment! 【This article is also available on the radio!】 Have you ever wondered why the fireworks that light up the night sky emit such beautiful, vividly colored light? That dazzling glow of red, green, and yellow? It looks like magic, but in reality, it’s a […]

2025年10月22日 / Last updated : 2025年10月22日 桑子 研 Science

Shake, Hold, and Erupt! Create a Mini Volcano with Cola Power!

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! You can use Coca-Cola to safely (well, mostly!) recreate a model of Earth’s dynamic activity: a volcanic eruption. In this exciting science experiment, we’ll dive into the secret behind the explosive power hidden inside a common carbonated drink. This specific experiment was developed and […]

2025年10月22日 / Last updated : 2025年10月22日 桑子 研 Science

Your Pocket Lab: Unlocking Physics Secrets with the Smartphone Sensors You Already Own

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment. Did you know that the smartphone in your pocket is actually a miniature “science lab”? Whether it’s moving a character in a game or showing you which way is North on a map app, all of this is possible thanks to the high-performance sensors […]

2025年10月22日 / Last updated : 2025年10月22日 桑子 研 Science

Snack Turns Into a Volcano!? Unleashing the Science of Eruption with Mentos and Coke!

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment! When we hear “volcanic eruption,” it often sounds like something from a distant world. But guess what? We can safely recreate a mini version of it using everyday items! For this experiment, we’ll be using Mentos and Coke—a classic snack time duo that […]

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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.

Recent posts

[Shocking!] Can You “Keep a Bird” with Just One Straw!? A Real Water Whistle Experiment at Home

2026年2月16日

Make Your Own Straw Wind Instrument with Kids! Snip, Snip—Why Does Cutting It Make the Sound Higher?

2026年2月15日

Why Does an Ambulance Sound Change? Uncover the Doppler Effect with Scratch!

2026年2月14日

Secrets of Static Electricity! Try This Cool Experiment with Styrofoam and Paper Bits (Dielectric Polarization)

2026年2月13日

Make It Snow in a Test Tube! Sparkling Crystal Christmas at Home (Ammonium Chloride Recrystallization Experiment)

2026年2月12日

Where Did the Electricity Go? Uncover the Emotional “V-Shaped Graph” of Neutralization! (Barium Hydroxide × Sulfuric Acid Experiment)

2026年2月11日

The Secret of Fizzy Reactions! Learn Chemical Changes with Citric Acid × Baking Soda (Endothermic Reaction)

2026年2月10日

Learn How Engines Work with a Shocking “Pop!” — The Secret of Alcohol Explosion Experiments (First Law of Thermodynamics)

2026年2月9日

What Happens When Acid Meets Base? Create the Crystals of Neutralization — A Visible Chemistry Drama (HCl & NaOH Experiment)

2026年2月8日

What Happens If You Jump on a 300 km/h Bullet Train? The Half Super Ball Experiment Explains It!

2026年2月7日

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