I’m Kuwako Ken, your Science Trainer. Every day is an experiment. Caught in a sudden downpour without an umbrella! Have you ever stopped to wonder what’s the best way to reach your destination while staying the driest? This is actually a classic physics question that has even appeared on university entrance exams! It remains a […]

I’m Ken Kuwako, your Science Trainer! Every day is an experiment. Ever seen celebrities on TV react with surprise to that mysterious, tingling drink, commonly known as the “static electricity drink”? “What does it taste like?” “What does it mean for electricity to flow through your body?” This endlessly intriguing experiment actually traces its roots […]

I’m Ken Kuwako, your Science Trainer! Every day is an experiment! That “Zap!” you feel when you touch a doorknob in winter, or the “Crackle, crackle…” when you take off a sweater – everyone’s experienced static electricity. It’s such a common phenomenon, isn’t it? But its true nature is invisible, almost like capricious magic. What […]

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment! That mysterious “snap” and “crackle” when you take off your sweater on a cold winter day. The way your hair stands up poof! after rubbing it with a plastic ruler. Everyone has experienced these things, right? These phenomena, which seem almost like magic, […]

I am Kuwako Ken, your Science Trainer. Every day is an experiment. The “light” we see every day—wouldn’t it be exciting to learn that its true identity is actually a magnificent bundle of rainbows, made up of many colors? In this article, I’ll show you how to make a magical “Spectroscopy Mask” that lets you […]