A very useful folktaleAlthough the belief that a blue eraser removes ink is wrong, it has survived through generations and become a minor school myth. But today we can finally give this often misunderstood object its due: far from being useless, it is simply... misused.
There's nothing stopping you from putting one in your toolbox or your kids' pencil case: it will find a new life there, much better suited to its original purpose.