Superconductivity? Lucien almost blurted out.
Before, when he asked Jerome, Annick, Katrina and Layria to run experiments on the changes of nature of different materials in low temperatures, Layria was mainly meant to create a vacuum with coal. He did not expect that they would discover superconductivity at all, because helium was not found yet, and there was no way to approach absolute zero. Later, he was so busy with other things that he forgot about their task.
After Jerome advanced into middle-rank and got his Holm Crown Ring, he filed an application to Lucien and changed the focus of his studies to X rays. So, his previous projects were given to Katrina and Layria.
However, Lucien merely regarded it as a potential supplement, and he asked the two girls to focus on the new alchemy, namely the particles in the elemental field. He did not expect that he would embrace a pleasant surprise today.
