I’m Ken Kuwako, a science trainer. Every day is an experiment. A Classroom Full of Stars! How to Make a DIY Cardboard Planetarium Have you ever made a planetarium for a school festival? This time, I’d like to introduce a project our science club took on: creating a “cardboard planetarium dome.” Last year, our school […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. 【This article is also available as a radio broadcast!】 This is an infrared cloud image. Do you notice anything strange about it? Even if this is your first time seeing this image, you’ll probably spot a few things that make you say, “Huh?” The […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. When handling chemicals in the science lab, a basic knowledge of dilution is essential for conducting experiments “safely, accurately, and efficiently.” This time, I’ve put together a guide for teachers on the dilution methods, safety aspects, and concentration guidelines for common experiments that you […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. 【Read this article in English】 When it comes to “detecting carbon dioxide” in a science class, calcium hydroxide solution is a familiar sight. But are there teachers who buy commercially available calcium hydroxide solution every time? Of course, buying it is one way to […]