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2026年10月28日 / Last updated : 2026年10月28日 桑子 研 Science

Can You Turn On the TV Downstairs from the Second Floor? The Science of the 3-Mirror Remote Control Experiment on TBS’s “Nature Teacher”

I’m Ken Kuwako, Science Trainer. Every day is an experiment! Imagine you’re upstairs, you press the TV remote, and the TV downstairs turns on. Sounds impossible, right? But what if you could build an invisible path of light through a house full of walls and floors and send your signal right to the TV? A […]

2026年10月27日 / Last updated : 2026年10月27日 桑子 研 Science

The Magic of Electromagnetic Induction Is Amazing! How Suica, PASMO and Other Contactless Cards Work

Ken Kuwako here, your friendly Science Trainer. Every day is an experiment! Suica, PASMO, and other transit IC cards are such a lifesaver for commuting, getting to school, and shopping, aren’t they? But have you ever stopped to wonder… “How does this thing work without a battery?” It almost feels like magic. What’s really going […]

2026年10月26日 / Last updated : 2026年10月26日 桑子 研 Science

Not Red?! The “Rainbow Ammonia Fountain” That Turns Purple, Green, and Blue

Ken Kuwako, Science Trainer, here. Every day is an experiment! Normally, the fountain shoots up bright red. But what if it turned purple, green, or blue instead? What would you think? At this year’s school festival, our Science Club put on a variety of science shows. Here, I’d like to share one of them: an […]

2026年10月25日 / Last updated : 2026年10月25日 桑子 研 Science

Why Don’t Planes Fall Out of the Sky? The Secret Family Tree of Flight, Found at the Aviation Science Museum

I’m Ken Kuwako, Science Trainer. Every day is an experiment. Why Doesn’t a Giant Hunk of Metal Fall Out of the Sky? A plane carrying hundreds of people lifts gently into the air. When you stop and think about it, it’s a pretty mind-boggling sight. I wanted to experience the whole “how flying works” thing […]

2026年10月24日 / Last updated : 2026年10月24日 桑子 研 Science

The Water Front Lifts Its Head?! The Physics of Aquatopia and Mermaid Lagoon (Disney Physics)

Hi, I’m Ken Kuwako, a science trainer. Every day is an experiment. Did you know that DisneySea is full of hidden parabolas, the same ones you met in math class? The smooth curves that water traces through the air are physics in action. On my last trip to DisneySea, I spotted some beautiful parabolas in […]

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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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