I’m Ken Kuwako, a Science Trainer. Every day is an experiment! The colorful decorations that sway gently—mobiles. They are so soothing just to look at, aren’t they? But have you ever stopped to wonder, “How is that exquisite balance achieved?” Believe it or not, there’s a fascinating physics “secret” hidden inside that simple form. Today, […]

I’m Kuwako Ken, your Science Trainer. Every day is an experiment. Sprinkle glittering powder onto a “lonely picture of just a stem,” and instantly, a dandelion bursts into full bloom! Sprinkle powder onto a girl’s empty hand, and poof—a vibrant pom-pom appears! It looks like magic, but of course, there’s a trick. Today, I’m introducing […]

Hi, I’m Ken Kuwako, your Science Trainer. Every day is an experiment. That fizzy carbonated drink after a sports practice or on a hot day is simply the best! But everyone has had that disappointing experience: you put an opened bottle back in the fridge, take a sip the next day, and think, “…Ugh. It’s […]

I’m Kuwako Ken, your Science Trainer. Every day is an experiment. “Why is the sky blue during the day and red in the evening?” This is a beautiful mystery of nature, often discussed in science classes. The answer lies in a phenomenon called “light scattering.” Sunlight is actually a mixture of various colors (wavelengths) of […]

I’m Kuwako Ken, your Science Trainer. Every day is an experiment. The Physics of a Cat’s Landing Suddenly, have you ever witnessed a cat’s incredibly graceful movement? A cat jumping down from a height lands silently and beautifully, almost without a sound. Can you imagine that the secret to this fluid motion holds the ultimate […]