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2025年12月30日 / Last updated : 2025年12月30日 桑子 研 Science

What Happens When Light Passes Through a Prism? White Light Becomes a Seven-Color Puzzle — The World of Light Loved by Newton

Hi, I’m Ken Kuwako, your Science Trainer. To me, every day is an experiment! Have you ever gazed at a rainbow shimmering in the sky after a storm, or marveled at the swirling colors on the surface of a soap bubble? We’ve all wondered at some point: “Where do all these colors come from?” As […]

2025年12月29日 / Last updated : 2025年12月29日 桑子 研 Science

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

I’m Ken Kuwako, your science trainer. Every day is an experiment! Did you know that Japan has its very own “White Cliffs of Dover”? Located in Choshi City, Chiba Prefecture, Byobugaura is like a massive time capsule where the Earth’s memories are laid bare for all to see. Standing 40 to 50 meters high and […]

2025年12月28日 / Last updated : 2025年12月28日 桑子 研 Science

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

I’m Ken Kuwako, your science trainer. Every day is an experiment! The world around us is filled with light, from the sun above to the glowing fluorescent lamps in our rooms. But did you know that hidden within that transparent, everyday light is a secret world of invisible colors? The realm of light, which we […]

2025年12月27日 / Last updated : 2025年12月27日 桑子 研 Science

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

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! Sometimes, our intuition gets “tricked” by the laws of physics. For instance, imagine a single carrot perfectly balanced on a string. If you were to cut that carrot right at the balancing point, wouldn’t you think both sides would weigh the same? Surprisingly, this […]

2025年12月26日 / Last updated : 2025年12月26日 桑子 研 Science

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

I am Ken Kuwako, your Science Trainer. Every day is an experiment! Toss the Mallet! Channel Your Inner Hammer Bro! The Era of Easy Strobe Photography is Here! Have you ever seen a strobe photograph? If you open a science textbook, you will likely find pages showing a ball flying in a perfect arc or […]

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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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