Tokyo: A Japanese student aced an assignment on ninja culture by making her own invisible ink from soybeans in a stealthy move that impressed her professor.
Eimi Haga, a member of Mie University&rsquo;s ninja club, turned in an essay on a visit to a museum about the nimble assassins with an attached message to heat it before reading.
&ldquo;I knew that I needed to take it home and put it above a stove,&rdquo; said Yuji Yamada, who teaches Japanese history, including ninja culture. &ldquo;She replicated what is written in records of ninja art. She strived to prove what was written actually works and went through a trial-and-error process. I was impressed,&rdquo; he said.
When the characters of Haga&rsquo;s essay revealed themselves in the heat, Yamada -- who had promised his students extra marks for creativity -- decided to award her an A.
Haga, 19, made the ink by soaking soybeans overnight and then squeezing them into a paste. She told AFP she had tested three different kinds of paper for the optimum effect. &ldquo;If the paper is too thin, it burns when heated. If it&rsquo;s too thick, it doesn&rsquo;t absorb the ink very well,&rdquo; she said.
&ldquo;I usually use pens and PC to write things. It&rsquo;s been a while since I took a brush to write with an invisible ink,&rdquo; she said. Yamada said reports filed as scrolls or folded into throwing stars were the most creative his students had been up until now.
&ldquo;We discussed the use of invisible ink, but I was amazed that someone actually used it,&rdquo; he said, adding that he didn&rsquo;t read the entire paper because he wanted to keep some of Haga&rsquo;s work invisible.&ldquo;By learning about ninja... we can apply their knowledge and ways to modern society.&rdquo;&nbsp;
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In an innovative way of submitting a college assignment, the student wrote the essay on a visit to a museum in invisible ink about the nimble assassins with an attached message to heat it before reading

Japan student write college essay on ninjas with invisible ink

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Japan student write college essay on ninjas with invisible ink

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