I’m Ken Kuwako, a science trainer. Every day is an experiment. This article is also available as a podcast! Have you ever seen the formula “F = ma”? It’s the equation of motion, one of the most famous formulas in high school physics. We use the word “force” every day, but what exactly is it? […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. When you think of summer, you think of fireworks. While beautiful fireworks lighting up the night sky are great, this time we’d like to introduce a unique type of firework that seems to wriggle and grow as if it were alive. It’s called a […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. In your middle school science or high school physics classes, do you ever find yourself struggling with how to make abstract concepts like the “laws of force” or “conservation of momentum” more engaging and intuitive for students? The phenomena that can be replicated in […]

I’m Ken Kuwako, a science trainer. Every day is an experiment. Experience Science with a Homemade Hovercraft! Hello everyone! How about enjoying the charm of science today through a unique craft project? The theme is a “Homemade Hovercraft”! When you think of a hovercraft, the common mechanism is an electric motor that creates wind to […]

When you hear the words “static electricity,” you might think of that “zap!” you get from a doorknob in the winter or the crackling sound when you pull off a sweater. But static electricity is actually a familiar and fascinating force with many fun properties. For example, have you ever tried rubbing a balloon on […]