I’m Ken Kuwako, your Science Trainer. Every day is an experiment. “Itadakimasu!” As you press your hands together to give thanks for your meal, did you know that your dining table has just transformed into a chemistry classroom? Think about squeezing a fresh lemon or sudachi citrus over grilled fish, or savoring the perfectly seasoned […]

I am Ken Kuwako, a Science Trainer. Every day is an experiment. Circles and Waves. When you hear these two words, what shapes do you imagine? One might be the looping silhouette of a Ferris wheel, while the other is a rhythmic wall of water rolling across the ocean. At first glance, they seem like […]

I am Ken Kuwako, your Science Trainer. Every day is an experiment. [This article is also available on our radio show!] A blinding flash ignites before your eyes, and in a split second, iron melts into a glowing liquid… Doesn’t that sound thrilling? Today, I want to introduce you to an experiment called the Thermite […]

I am Ken Kuwako, your science trainer. Every day is an experiment! In my last post, we used a simple umbrella bag to explore “light scattering”—the reason why the sky is blue and sunsets are red. Today, let’s dive into the secrets of fiber optics, the massive infrastructure that powers our modern world! What exactly […]

I am Ken Kuwako, your science trainer. Every day is an experiment. Back to the Special Page Have you ever noticed how an ambulance racing toward you with a high-pitched “Nee-naw!” suddenly shifts to a low, weary-sounding moan the moment it passes you? It almost feels like the ambulance lost its motivation halfway through, but […]