OLYMPUS TECHNOZONE Vol.65 2005-11

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I used to make my own toys. My favorite school subjects were science and workshop


Denjiro Yonemura
Denjiro Yonemura
Tsuchida: 
Your work as a teacher who does fascinating science experiments has made you major star. What do see as the origins of this role?

Yonemura: 
I grew up in the Yoro Valley in Chiba Prefecture. It was really countryside then. Nowadays it's all golf courses, but back then before Japan entered its high-growth era of the sixties, the area's hills, fields and rivers were an endless playground for children.

Tsuchida: 
I'm about the same age as you, and I grew up in a similar environment.

Yonemura: 
We had all sorts of ways to play. For example, we used to peel the bark from keyaki tree branches and attach rubber tubes to the branches them to make slingshots. And we made bows from old bamboo stalks that had fallen down. These were traditional games that younger children learned from their seniors when they reached the upper years of elementary school.

Tsuchida: 
When I was at junior high, I got into trouble with the teachers for sharpening a six-inch nail to make a kind of knife, and for making ninja throwing stars.

Yonemura: 
The only school classes I enjoyed were science and workshop. I built a see-through pump so I could see how the valves worked, and I remember trying to ring the bell with an electromagnet that I made.

Dr. Hirofumi Tsuchida
Dr. Hirofumi Tsuchida

Tsuchida: 
I did things like that, too. I made a signaling device. It had a light that went on or off as I flipped the switch.

Yonemura: 
I would incorporate school experiments and crafts into my play in my own way. If I had lenses I would try to assemble them to make telescopes. I managed to make an electromagnet by winding enamel wire around a nail. I got the wire from the transformer of broken radio. I tried to make a motor but it was too difficult, and I couldn't get it to turn. I made my play activities as much like practical science as I could.

Tsuchida: 
The things we used in experiments at school and the experimental equipment that came with science magazines for children were like treasures to me. Even when I threw away old equipment I always kept any usable materials, such as enamel wire. I also had a large collection of magnets.

Yonemura: 
I remember reusing things from school experiments and workshop activities in my play. I used to get very excited whenever the science teacher took us to the laboratory to do simple experiments. I felt like a real scientist.
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