I’m Ken Kuwako, Science Trainer. Every day is an experiment. Recreating an Edo Period Electricity Experiment! “Electricity in the Edo period?” You might be surprised! But even during the era of samurai and townspeople, there was actually a person who researched electricity! An experiment so strange it would shock a ninja, like magic or ninjutsu […]

I’m Ken Kuwako, a Science Trainer. Every day is an experiment. The Great Ball Float-or-Sink Challenge! For this challenge, we’ve gathered four types of balls: a golf ball, a lacrosse ball, a rubber baseball, and a bowling ball. Now, which of these do you think will float in water? Make your prediction in your head. […]

Ken Kuwako, Science Trainer. Every Day is an Experiment! A single sheet of paper suddenly “boings!” into the air, as if it has a life of its own. It’s the “Origami Frog,” a paper toy almost everyone has made at least once as a child. I recently made one again, this time with my own […]

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. The Van de Graaff Static Electricity Experiment: How Does an Empty Can Move? That sharp, painful zap! of static electricity is a common experience, especially on doorknobs in winter. But have you heard of a device called a “Van de Graaff generator”? It can […]

I’m Science Trainer Ken Kuwako. Every day is an experiment! The Daniel Cell is a classic and essential topic for understanding how batteries work. However, I know many teachers struggle with the lengthy preparation and the hassle of disposing of chemical waste. That’s why today, I want to introduce the Hamburger-style Daniel Cell! True to […]