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2026年1月12日 / Last updated : 2026年1月12日 桑子 研 Science

A Secret Line on the Water! Discover Wave Magic Circles by Tossing Two Stones (Observing Wave Interference Patterns)

I am Ken Kuwako, your Science Trainer. To me, every day is an experiment. Think about a shimmering river surface or a puddle after a rainstorm. Would you be surprised if I told you that distinct geometric patterns are hidden within those everyday sights? Our world is beautifully designed according to invisible “mathematical rules.” Today, […]

2026年1月11日 / Last updated : 2026年1月11日 桑子 研 Science

Why Is the Pitcher’s Mound 25 cm High? The Hidden Science Behind the Mound’s Elevation

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! 【This article is also available on my radio show!】 While watching an intense baseball game, have you ever stopped to wonder, “Why does the pitcher stand on such a high spot?” It turns out the pitcher’s mound is built about 25cm higher than home […]

2026年1月10日 / Last updated : 2026年1月10日 桑子 研 Science

Food Chain Simulation! What Happens When Bears Disappear—Why Does the Grass Vanish? The Mystery of Ecosystems (Scratch)

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. Imagine for a moment: what would happen if all the “big, scary bears” suddenly vanished from the forest? Would it turn into a peaceful, lush paradise for everyone else? Surprisingly, the answer is a resounding “no.” Nature is woven together by a complex web […]

2026年1月9日 / Last updated : 2026年1月9日 桑子 研 Science

The Kitchen Is a Laboratory! The Strange Drama of Water and Oil Caused by Hydrogen Bonds

I’m Ken Kuwako, your Science Trainer. For me, every day is an experiment! Your kitchen is actually a science lab full of surprises! Think about making salad dressing—no matter how hard you shake the bottle, the oil and water always end up parting ways. It’s a sight we take for granted, but did you know […]

2026年1月8日 / Last updated : 2026年1月8日 桑子 研 Science

Gravity-Defying Noodles: The Hidden Physics of Japan’s Legendary Soba Delivery Masters

I am Science Trainer Ken Kuwako. Every day is an experiment. 【This article is also available on the radio!】 Have you ever seen those masters of delivery in manga or old TV shows? They handle mountains of stacked soba steamer baskets on a bicycle as if they were an extension of their own body. Take […]

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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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