I’m Ken Kuwako, your Science Trainer. Every day is an experiment! On hot summer days, we use them to keep our lunches from spoiling, chill our drinks to an icy-cold temperature, or transport fresh food safely during a sweltering summer drive. The unsung hero behind all of these situations is the humble ice pack. And […]

I’m Ken Kuwako, a Science Trainer. Every day is an experiment. Magical Light at Your Fingertips: What’s Really Behind Those Tiny Lightning Bolts? Have you ever seen a plasma ball—a fascinating glass sphere in which glowing strands of light seem to reach toward your fingertips as soon as you bring your hand close? It looks […]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment! When I first watched the video below, I was amazed. At the same time, I realized it would make a perfect lesson on buoyancy, so I decided to investigate it myself. The video shows a regular cola can and a zero-sugar (diet) cola can […]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. I found this cute yellow hand spinner at Daiso. Hand spinners are also sold at 100-yen shops like Seria, and although they’re inexpensive, they spin surprisingly well. At first glance, it looks like nothing more than a fun little toy. But glue it to […]

I’m Ken Kuwako, the Science Trainer. Every day is an experiment. Imagine standing in front of a towering cliff, tens of meters high, covered with perfectly layered brown stripes that look as though they’ve been baked to perfection. On Izu Oshima, there really is a gigantic rock formation affectionately known as the “Baumkuchen.” In this […]