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2025年10月30日 / Last updated : 2025年10月30日 桑子 研 Science

Why Does the Weight Move? Discover the Wonders of Electricity and the Secret of Grounding with the “Electrostatic Bell”! (For Middle Schoolers)

Ken Kuwako, Your Science Trainer. Every Day is an Experiment! Hello, budding scientists and curious minds! I’m Ken Kuwako, and today, we’re diving into an experiment that is deceptively simple yet profoundly insightful. It’s the Electrostatic Bell, a fantastic project created by our very own science club students. If you’re wondering, “What exactly is an […]

2025年10月29日 / Last updated : 2025年10月29日 桑子 研 Science

Planetary Power in Your Hand: The Shocking Science of the Iron Rod Magnet

I’m Ken Kuwako, a Science Trainer. Every Day is an Experiment! Imagine turning a plain iron rod into a magnet just by hitting it with a hammer—wouldn’t you call that magic? I recently gave a lecture in Nagano Prefecture after being invited by the Physical and Chemical Society. 【講演】黒板とタブレットの素敵な出会い 〜ある理科教師が見つけた未来の授業のカタチ〜@長野 While I was there, I […]

2025年10月29日 / Last updated : 2025年10月29日 桑子 研 Science

No Power Needed! How Static Electricity Turns into Light – The Shocking Secrets of Fluorescent Lamps

Hello! I’m Ken Kuwako, your Science Trainer. Every day is an experiment! “ZAP!” That little sting that races to your fingertip when you reach for a doorknob on a dry winter day. Most of us just think of “static electricity” as an annoying shock, but what if I told you this same static charge has […]

2025年10月28日 / Last updated : 2025年10月28日 桑子 研 Science

The Remote Control Challenge: How Invisible Infrared Light Travels 15 Meters

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. “How far can a TV remote actually reach?” Have you ever tried operating it from a distant corner of the room or intentionally testing its limits from far away? Well, I had the pleasure of lending a hand behind the scenes for a quiz […]

2025年10月28日 / Last updated : 2025年10月28日 桑子 研 Science

Edo Magic: The Static Electricity Secret Behind a Japanese Scientist’s Self-Ringing Bell

I’m Ken Kuwako, Science Trainer. Every day is an experiment. Recreating an Edo Period Electricity Experiment! “Electricity in the Edo period?” You might be surprised! But even during the era of samurai and townspeople, there was actually a person who researched electricity! An experiment so strange it would shock a ninja, like magic or ninjutsu […]

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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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