Irreversible changes are permanent. They cannot be undone. For example you cannot change a cake back into its ingredients again. A change is called irreversible if it cannot be changed back again.

An example would be the reaction between water and vinegar. The two reactants become one another, but they remain the same chemical compounds. In contrast, irreversible reactions result in changes ...

The Intergovernmental Panel on Climate Change (IPCC) says the world faces "severe, pervasive and irreversible" consequences if greenhouse gas emissions are not cut to zero by 2100. Examples of ...

We predict that this network will eventually also prove to be dynamically irreversible, due to feedback signals that create a bistable switch. In the examples described, irreversible transit ...