Reversing means to go back. Reversible changes are where a change to something can be undone again. The change is only temporary and the substance can be put back to how it was before. Irreversible ...

Stress can accelerate the depletion of pigment-producing cell progenitors, which is a natural aging process. But this may be ...

THE support given by Profs. Hill and Grünbaum in their interesting communication is very encouraging. The problem before us—before these two authors as well as before myself—is the clarification of ...

Sorry! Anyway, some changes we make to materials are irreversible. So once the change has happened, we can't go back again. If you crack an egg in a frying pan and heat it up, that's an irreversible ...