Mid-Term Report 2 on WP5 milestones: Towards sensors, QIP architectures, fundamental tests

Summary
Report on M21 Proposals for quantum enabled force sensing for ultra-small forces (surface forces, gravity, Casimir forces) Towards M23 Proof-of-concept demonstration of magnetomechanical inertial sensor Towards M24 Theoretical investigation of magnetomechanical architectures for quantum information processing (e.g. quantum memory/transduction) Towards M28 Proposals for fundamental tests at the interface between quantum physics and gravity involving Tasks 5.1, 5.3, 5.4, 5.5