Materials2026-04-022 minarXiv:2604.01908expressHeat bends sideways under a magnetIf you push heat through a piece of quartz, it usually goes straight, like water through a pipe. But switch on a magnetic field, and the flow veers slightly sideways, as if the pipe suddenly grew a side branch.Yu Ling·Benoît Fauqué·Kamran Behniaquantum Hall effectHall effectKlaus von Klitzingthermal conductivitysuperconductivityheat capacityspectroscopy👍👎☆SimplePopularAdvanced