Given the task definition and input, reply with output. You are given a sentence in Spanish. Your job is to translate the Spanish sentence into English.

Los electrones son criaturas agitadas, y pueden saltar sobre brechas, pero solo a energia equivalente. Si es distinta, no pueden saltar.
Electrons are fuzzy creatures, and they can jump across gaps, but only at equal energy. If the energy differs, they can ' t jump.