I’m Kuwako Ken, your science trainer. Every day is an experiment. Just by stacking two pieces of glass together, shimmering rainbow stripes suddenly appear. It feels almost like magic—but this beautiful phenomenon can actually be recreated with everyday materials. All you need are two microscope slide glasses and a strip of transparent tape. In this […]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. Textbooks tell us that plants use light to make starch. But have you ever stopped and wondered, “Does that really happen?” This time, we carried out an experiment to witness the process with our own eyes. The moment tiny granules inside the leaf suddenly […]

I’m science trainer Ken Kuwako. Every day is an experiment. Today, I’d like to share an experiment where we observed white light using a diffraction grating. Sunlight and fluorescent light both look “white” to our eyes, but when you break them down into their components, they turn out to be completely different kinds of light. […]

I’m Science Trainer Ken Kuwako. Every day is an experiment. Today, let’s explore a simple experiment about adiabatic expansion. It’s easy enough to try at home, but the science behind it is exactly the same process that creates clouds in the sky. You only need a few everyday items, so give it a try yourself! […]

I’m Science Trainer Kuwako Ken. Every day is an experiment. 【This article is also available as a radio talk!】 Smoke, Vortices, and Science Magic! Launching Giant Rings of Air with a Fog Machine When you hear the words “air cannon,” what comes to mind? Maybe something straight out of a manga or anime: invisible blasts […]