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 […]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. Experience “Beats” at Home! A Simple Sound Experiment Using Two Smartphones Have you ever heard a sound that seems to wobble or pulse strangely? That mysterious effect is called a beat, and the good news is—you can easily experience it at home. In this […]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. “Just shine light on it, and the electricity disappears.” It sounds like magic, but this strange phenomenon really happens in the lab. Even more fascinating, it’s directly connected to the discovery that earned none other than Albert Einstein a Nobel Prize. Today, let’s explore […]