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2025年11月1日 / Last updated : 2025年11月1日 桑子 研 Science

Inside the Secret of Flowers! Dissecting Azaleas & Rapeseed Blossoms — Long-Term Preservation with OPP Tape!

Meet Ken Kuwako, the Science Trainer. Every Day is an Experiment. Exploring the Anatomy of Flowers: Brassica and Azalea Spring is the season when all sorts of flowers begin to bloom. This time, we delved into the “Structure of Flowers”, a core topic in first-year junior high school biology, by observing and dissecting the flowers […]

2025年11月1日 / Last updated : 2025年11月1日 桑子 研 Science

The Shocking Truth: How a Gemstone Named “Amber” Gave Us “Electricity”

Meet Ken Kuwako, the Science Trainer. Every Day is an Experiment. Electricity is essential to our daily lives. With a flick of a switch, a room lights up; charge your phone, and you’re connected to the entire world. This familiar force—electricity—is all around us, but did you know that the word “electricity” actually originates from […]

2025年10月31日 / Last updated : 2025年10月31日 桑子 研 Science

Kitchen CSI: Unmasking the White Suspects (Salt, Sugar, and Flour!)

Every Day is an Experiment. Take a look at those pure white powders in your kitchen. Sugar, salt, flour. They look identical, but what if they got shuffled up and you couldn’t tell which was which? How would you identify them? (No tasting allowed!) This time, we’re diving into a “Science Mystery” lurking in our […]

2025年10月31日 / Last updated : 2025年10月31日 桑子 研 Science

Not Just a Leaf! The Hidden “Red Dots” on Cherry Leaves and Their Secret Life with Ants

This is Ken Kuwako, your Science Trainer. Every Day is an Experiment. 【This article is also available on the radio!】 When we talk about cherry blossom viewing, the beautiful petals are, of course, the main attraction. But have you ever taken a close look at the leaves—the very things that support the star of the […]

2025年10月31日 / Last updated : 2025年10月31日 桑子 研 Science

The Secret History of the Static ZAP: From 30,000 Volts on Your Doorknob to the Edo Period’s “Hundred People Shock.”

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. On a dry winter day, the moment you reach for a metal doorknob… ZAP! ⚡ That unpleasant, voice-calling shock is something almost everyone has experienced. What exactly is that tiny spark? And in the Edo period, when its true nature was completely unknown, how […]

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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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From Meiji-Era Models to Cutting-Edge Apps! Unraveling the Nature of Waves Through the Dance of Bees (Transverse Waves, Longitudinal Waves & Superposition)

2025年12月31日

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

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

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

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