I’m Science Trainer Ken Kuwako. Every day is an experiment. Back to the Special Feature Page Here’s a fun experiment you can even use for a science fair project to discover what powers a linear motor train. What if someone told you there’s a vehicle that can travel at 600 km/h (about 370 mph) without […]

I’m Science Trainer Ken Kuwako. Every day is an experiment. “Have you ever planned to soak in the bath for just 30 minutes, only to realize an hour and a half has flown by?” Most of us have. The time we feel passing and the time actually ticking away are often surprisingly different. As summer […]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. Electrolysis of water is one of the most iconic chemistry experiments, and using an H-shaped tube makes it even more spectacular. Today, I’d like to share why this classic demonstration is still one of my favorites—and how it beautifully brings a simple chemical formula […]

I’m Science Trainer Ken Kuwako. Every day is an experiment. The Amazing Journey Hidden Behind the Bright Red Dragonfly On crisp autumn days, you’ve probably spotted a brilliant red dragonfly gliding over rice fields or parks. The sight often brings back warm childhood memories. But did you know that during the hottest months of summer, […]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. We breathe oxygen every single day without giving it a second thought. But have you ever wondered why it’s called “oxygen”? Does it have anything to do with acids or sourness? Surprisingly, oxygen itself has nothing to do with tasting sour, yet its name […]