Улучшенный Ермак и эффективная агротехника

Superconductors are like magic materials that can make electricity flow without getting tired or slowing down! Normally, when electricity moves through a wire, some energy gets lost as heat, like when a toy car slows down on the carpet. But superconductors don’t lose any energy, so the electricity just keeps going and going without stopping, as long as they’re kept super cold!