I’m Ken Kuwako, a science trainer. Every day is an experiment. Feel the “Invisible Force”! A Fun Experiment on Water Pressure You Can Do in the Bath Have you ever felt a strange, tight-squeezing sensation when you dive deep into a pool or bathtub? That’s actually the work of water’s “invisible force,” or water pressure. […]

I’m Ken Kuwako, the Science Trainer! Let’s have fun with science together on this site. Have you ever touched a doorknob on a dry winter day and had a “ZAP!” with a spark flying, making you involuntarily yelp? That small, but definitely painful, “static electricity.” Did you know that this phenomenon has a surprising connection […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. A Brain from a Can?! Observing a Chicken’s Brain! “What, a brain from a can?!” When I first heard it, I couldn’t believe it. But when I actually opened the can, it was packed full of real chicken heads. In this article, I’ll introduce […]

Don’t you find that sound unpleasant? Experience the mystery of “beats” with this free smartphone app! Imagine an orchestra before a concert or a band during practice. You hear various instruments playing their own notes, and it can sound like a chaotic cacophony, right? Well, hidden within that sound is a fascinating scientific phenomenon. This […]

Ken Kuwako, Science Trainer. Every day is an experiment. 【This article is also available on YouTube Music!】 I’ll say it again: dissecting fish is just plain fun. But are you thinking it might be too challenging to do in a classroom setting? This time, inspired by this hands-on lesson, I decided to tackle a Pacific […]