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January 2026

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2026年1月3日 / Last updated : 2026年1月3日 桑子 研 Science

Escape the Chemistry Labyrinth: Master Mole Calculations with One Simple Flowchart!

I’m Ken Kuwako, your science trainer. Every day is an experiment! “I started learning chemistry, but the moment the mole (mol) appeared, my mind went totally blank…”Have you ever felt that way? The mole is the first major wall students hit in high school chemistry. This unit, which involves counting invisible, microscopic particles, is often […]

2026年1月2日 / Last updated : 2026年1月2日 桑子 研 Science

The Shock of a Simple “I” That Changed the World! The Hidden Story of Electrons and Magnets Inside CRT TVs

I’m Ken Kuwako, your science trainer. Every day is an experiment. “TVs are so thin these days, but have you ever wondered why the old ones were so bulky and heavy?” That chunky CRT (Cathode Ray Tube) TV is a rare sight in thrift stores now. But inside that massive box lies a thrilling drama […]

2026年1月1日 / Last updated : 2026年1月1日 桑子 研 Science

Knock Over a Coin Without Touching It—And Make Aluminum Foil Float!? Have Fun with Eddy Current Experiments at Home! (Faraday Desk)

I am Ken Kuwako, your Science Trainer. Every day is an experiment! “I wish I could move objects without touching them, just like a superpower…” Believe it or not, you can make that wish come true right now using the power of science! Watch as aluminum foil—which shouldn’t react to magnets—floats into the air, or […]

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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

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

A Squeeze of Lemon Is a Chemistry Experiment! Your Dining Table Turns into a Science Lab (Neutralization)

2026年2月6日

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