BCI CIRCULAR ECONOMY CIRCULARITY CIRCULARITY ASSESSMENT CIRCULARITY GAP CIRCULARITY INDICATORS CSP EEG Electrocardiogram (ECG) Emfit FBCSP (filter bank common spatial pattern) LC sensor MEASURING CIRCULARITY Riemannian geometry SUSTAINABILITY Seismocardiography (SCG) acceleration accelerometers acoustic emissions adaptive recursive least squares filter (ARLSF) ageing ballistocardiogram ballistocardiography bic Book Industry Communication::K Economics, finance, business & management::KJ Business & management::KJJ Business & the environment, ‘Green’ approaches to business bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment bic Book Industry Communication::R Earth sciences, geography, environment, planning::RN The environment::RNU Sustainability blood pressure body sensor network capacitive sensors cardiac mechanics