Japanese ninja student gets top grade for ‘blank’ essay written using secret technique

Japanese ninja student gets top grade for ‘blank’ essay written using secret technique



A Japanese university student of ninja history got an “A” for handing in what appeared to be a blank paper, but which her professor then realized was written using an old ninja technique: invisible ink.

October 10, 2019 at 07:22PMvia FOX NEWS https://ift.tt/2VFsFgt https://ift.tt/324NLab