Briefly explain the following statements from the text.

“You need some interaction to cause a transition.”

You need some interaction to cause a transition. Professor Gaintonde made a change, which according to Rajendra Deshpande, had happened because of the interaction happening in the professor's mind at the time of the collision. When the collision took place, the professor was thinking about catastrophic theory and its role in wars. He was wondering about the Battle of Panipat and its consequences. The interaction in his brain acted as a cause to the transition