
There are probably easier ways of getting an “A,” but definitely not as cool!
Buzz60’s Tony Spitz hash te details.
There are probably easier ways of getting an “A,” but definitely not as cool!
Buzz60’s Tony Spitz hash te details.
Ink only becomes visible again when the paper is heated
Eimi Haga handed in what looked like a blank sheet of paper - but left her professor a crucial clue.