November 2026

2026年11月3日 / Last updated : 2026年11月3日桑子研 Science

No Wires, Still Glowing! The Magic of Mutual Induction That Flashes an LED for a Split Second

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment. One of our student teachers, Mr. K, was running a mutual induction experiment, and I got to watch. The coil made from the Pascal wire I used before is Coil 1, and the other one, wound from enamel wire, is Coil 2. Coil […]

2026年11月2日 / Last updated : 2026年11月2日桑子研 Science

Just Wipe on Dish Soap and Window Condensation “Disappears”?! The Science of Spreading Water Droplets

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment. You pull back the curtains in the morning and the window is dripping wet. Before you know it, the area beneath it has started to look faintly black and grimy… sound familiar? Winter condensation, if left alone, can turn into mold. But here’s […]

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.