*> Explosives can be like mayonnaise, they can separate after a while, forming s...

> Explosives can be like mayonnaise, they can separate after a while, forming sensitive mixtures, making the 'inert' mine suddenly dangerous again.

In the 1970s, there was a Friedkin movie, that used this as a plot point: https://en.wikipedia.org/wiki/Sorcerer_(film)