➀ Researchers from IBEC and ICFO introduce new atomic sensor technology that improves MRI quality control by tracking hyperpolarised molecules in real time; ➁ The technology, based on optically pumped atomic magnetometers (OPMs), expands MRI applications in clinical diagnostics and scientific research; ➂ The sensors enable real-time quality control and non-destructive monitoring, offering benefits for radiologists, MRI technicians, and researchers in high-precision magnetic sensing.