I’m Ken Kuwako, your Science Trainer. Every day is an experiment. Here’s a question for you. If you shrank the Sun down to a 50 cm diameter balance ball, how big do you think Earth would be? A soccer ball? A ping-pong ball? …Believe it or not, the answer is just 1 mm. It would […]

I’m Ken Kuwako, your Science Trainer. Every day is an experiment. Wiping up spilled water in the kitchen with a cloth, or soaking up water with a sponge after taking a bath—these everyday actions actually involve something rather surprising: water moving against gravity. Try dipping a piece of kitchen paper into a cup of tea, […]

I’m Ken Kuwako, your Science Trainer. Every day is an experiment! If a major earthquake struck right now, how would your home move and shake? When it comes to protecting buildings from earthquakes, there are three major approaches: “earthquake resistance,” “vibration control,” and “base isolation.” Of these, earthquake resistance is relatively easy to picture because […]