I’m Ken Kuwako, your Science Trainer. Every day is an experiment. The Daruma Otoshi is a traditional Japanese folk toy, beloved by many. But did you know that it’s also a surprisingly perfect teaching tool for demonstrating the Law of Inertia that you learn in science class? While it’s often cited as a textbook example, […]

I’m Ken Kuwako, Science Trainer. Every day is an experiment. Science Experiments with Wild Mini 4WD Cars Have you ever heard of Tamiya’s “Wild Mini 4WD”? The standard Mini 4WD is a sleek machine built for speed, but the Wild version is a rugged powerhouse. It has tires two to three times larger than the […]

I’m Ken Kuwako, your Science Trainer. Every Day is an Experiment! What would happen to objects if friction suddenly vanished from the world? You’ve learned about the Law of Inertia in your textbooks: an object will continue to move in a straight line at a constant speed unless acted upon by a net external force. […]

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. The God of Science often smiles upon us in unexpected moments of daily life. Take a look at this video. The movement here clearly illustrates the Law of Inertia—that “an object in motion stays in motion unless acted upon by an external force.” The […]

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. The Wonder of Science Awaits You at the Park Pond! On a beautiful day, when you casually stop by a park pond, you’ll see schools of brightly colored koi swimming serenely. As soon as someone approaches, they gather as if drawn by a magnet. […]