Electrical control of spin signals demonstrated in graphene superlattices
Peer-Reviewed Publication
Updates every hour. Last Updated: 18-Jun-2026 22:16 ET (19-Jun-2026 02:16 GMT/UTC)
Thermal diffusion—a fundamental physical process pervasive in applications ranging from electronics to industrial systems—is inherently irreversible under the second law of thermodynamics. As temperature gradients spontaneously smooth out over time, crucial information regarding the initial thermal state is permanently lost due to entropy increase. This fundamental information loss leads to a severe ill-posedness in inverse thermal problems, where infinitesimal errors in the final observation can cause enormous uncertainties in the reconstructed initial state.
Researchers have developed a solar driven catalyst material that harnesses the energy of a single photon to reduce carbon dioxide and oxidise organic waste at the same time, and produce valuable chemicals in both reactions.