by Holly Leung April 20, 2022
A Japanese ninja history student who handed in a blank paper was given a top mark after her professor realized her essay was written in invisible ink, the BBC reported 😱. What a neat way to pass on secret spy messages😎.
Next week, we will teach you on IG how to make invisible ink and turn your family into super-secret agents. This easy recipe creates an ink that only those who know the secret will be able to read.
Credit: arianka ibarra on Unsplash
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by Lau Natalie June 14, 2022
by Holly Leung July 05, 2021
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