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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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運営者: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。理科教師として勤務する傍ら、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
I want to share the fun, wonder, and excitement of science with as many people as possible. In addition to my work as a science teacher, I also work as a "Science Trainer," providing scientific supervision for and appearing on TV programs, holding hands-on science workshops, and writing science books.

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2025年12月31日

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2025年12月30日

A 10-Kilometer Cliff Time Travel! Discover Earth’s Memories at Choshi’s Byobugaura

2025年12月29日

Twisting Light to Create Color at Home! Turn Scotch Tape into Magical Paint — Make a Polarized Light Kaleidoscope

2025年12月28日

【Quiz】Which Is Heavier After the Cut? A Carrot at the Balance Point! – Exploring Torque with Vegetables

2025年12月27日

Visualizing Physics with a Flying Hammer! Revealing the Beautiful Path of the Center of Mass Using a Smartphone App

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When Your Fridge Becomes a Lab: The Fascinating World of Standing Waves Drawn with Springs and Magnets

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