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 […]

Did you know there’s a plant seed often called the “flying jewel”? It’s the Alsomitra seed, and it’s famous for its ability to glide through the air just like a miniature glider. So why are these seeds such expert flyers? It’s a brilliant strategy for plants to scatter their offspring far and wide. The farther […]

Hi, I’m Ken Kuwako, a science trainer. Every day is an experiment! Return to the “Otobutsu” Special Page Have you ever heard of a “paperclip motor”? It’s a super simple motor made from a battery, some enameled wire, and a few paper clips. You might have even seen one in a science class or as […]