The Japanese girl 19 years old is named Yuha Mei Ying. She studied at Mie University in Japan, majoring in the unique history of ninja in Japan. When this girl with a novel brain hole was writing her latest paper, she suddenly wanted to hide the words like ancient times and bake them with fire to reappear. This technology is actually a kind of "baking ink paper" technology of ninja. This technology can make dry paper with words become colorless and tasteless, but once these words are heated, they will reappear, which is amazing.
This ninja's "baking ink paper" technology actually uses soybeans that we can see every day, but the processing process is very complicated. The girl spent a long time soaking and grinding beans to make ink, and repeatedly adjusted the concentration of "ink" to make it reach the best state. Then, she wrote this paper on very thin and dry Japanese rice paper with a fine brush. When the ink on the paper dries, the paper is actually a blank sheet of paper.
But the girl was worried that the professor would misunderstand her and throw her paper away as a "blank paper", so she attached a note with the word "heating" written on it. At first, the professor was very surprised when he received the paper, but the professor knew that the girl could not hand in a blank paper as her favorite disciple, so he heated her paper. Later, the professor was very satisfied with the paper written by the girl and gave her the highest score directly.
In fact, this girl's practice is very suitable in society, because her practice is a manifestation of creativity. What society lacks now is her innovation and creativity in off the charts, so it is not surprising that she will get the highest score.