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2025年9月29日 / Last updated : 2025年9月29日 桑子 研 Science

One-Button Setup & Operation: Observing the Sun (Sunspots) with the SeeStar Smart Telescope

I’m Ken Kuwako, Science Trainer. Every day is an experiment. Have you ever looked up at the stars glittering in the night sky and felt your heart race, wondering, “What is the source of that light?” or “What lies at the edge of the universe?” In the past, astronomy was a somewhat specialized hobby. It […]

2025年9月29日 / Last updated : 2025年9月29日 桑子 研 Science

Unlock the Mystery with Marbles! How Speed and Mass Create Energy — A Hands-on Guide to Kinetic Energy and Work

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. The immense force of a bowling ball spectacularly knocking down pins. The sheer impact when a pitcher’s fastball smashes into the catcher’s mitt with a thwack! Behind these powerful everyday phenomena lies a fascinating scientific secret: the moment an object’s “energy” is transformed into […]

2025年9月28日 / Last updated : 2025年9月28日 桑子 研 Science

Rock Detectives: How to Uncover Earth’s Secrets with Just 6 Stones

Ken Kuwako, Science Trainer. Every Day is an Experiment! That pebble on the side of the road. That large boulder tucked away in the corner of the park. Wouldn’t it be thrilling if these were actually time capsules whispering tales of Earth’s ancient drama? Well, they might be! Many are actually igneous rocks, born deep […]

2025年9月28日 / Last updated : 2025年9月28日 桑子 研 Science

The Secret to Perpetual Motion: How Magnets and Electricity Power the Spinning Top

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! Floating Top U-CAS(Amazon) Have you ever encountered a mysterious top that, once set in motion, keeps spinning without anyone touching it? It seems like a magical item, but of course, there’s a scientific secret and mechanism at work. And hidden within that mechanism is […]

2025年9月28日 / Last updated : 2025年9月28日 桑子 研 Science

The Magic of Magnetism: How a Spinning Top Defies Gravity (and Why the Earth and Temperature Matter)

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! Floating Top U-CAS (Amazon) Have you ever seen a top float mysteriously in the air, as if by magic? At first glance, it might look like a superpower, but it’s actually a phenomenon that can be explained by science. Today, let me introduce you […]

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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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