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2025年11月25日 / Last updated : 2025年11月25日 桑子 研 Science

Wild Weeds Are a Treasure Trove! Discover the Secrets of Monocots and “Closed Flowers” with Wall Barley

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Do you ever pay attention to the “weeds” growing along the paths you walk every day? It’s a huge missed opportunity to just walk past them, dismissing them as “just grass”! In reality, the plants at your feet are hiding incredible “survival strategies” they’ve […]

2025年11月24日 / Last updated : 2025年11月24日 桑子 研 Science

Can You Touch Sound? The Simple Home Experiments That Prove Sound Is Energy

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. Let me ask you a sudden question: Have you ever touched sound? Your initial reaction is probably, “What? Sound is invisible! There’s no way you can touch it!” That’s a completely normal thought. We usually perceive sound as something we “hear” with our ears. […]

2025年11月24日 / Last updated : 2025年11月24日 桑子 研 Science

Ignite with Air Power! Feel the Explosive Force of Adiabatic Compression with the “Fire Piston” Experiment

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. What if I told you there’s a way to instantly create fire using only the power of air, without a single match or lighter? It sounds like magic, but this is a genuine science experiment. Today, I’m introducing you to an amazing device that […]

2025年11月24日 / Last updated : 2025年11月24日 桑子 研 Science

The Science of Fizz: How Your Soda Pump Proves You Can Make Heat from Air.

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment. Carbonated drinks are delicious any time, but haven’t you been disappointed when leftover soda goes flat and turns into “just sweet water”? That’s where the gadget we’re introducing today, the “Soda Fresh,” comes in handy. In class, we affectionately call it “Shuposhupo-kun” (the […]

2025年11月23日 / Last updated : 2025年11月23日 桑子 研 Science

From Hot Pot to Hot Science: Turn Your Electric Grill Pan into a Laboratory’s Constant Temperature Bath

I’m Kuwako Ken, your Science Trainer. Every Day is an Experiment. It’s an ethereal sight, almost like snow falling inside a test tube. Have you already tried the “Ammonium Chloride Recrystallization” experiment that I introduced previously? The way the sparkling crystals dance and fall is so beautiful you can lose yourself watching it. This experiment […]

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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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