Simulators can render a kitchen. They can't render how a hand actually opens a drawer.
Every physical AI model runs into the same wall: data that looks like the real world is not the same as data that behaves like it. Synthetic environments skip the friction, hesitation, and improvisation that make human motion transferable to a robot body.
A capture rig you forget you are wearing.
Inertial tracking, hand-pose sensing, and egocentric video layer into one lightweight rig that records tasks exactly as they happen — in kitchens, workshops, and warehouses, not motion-capture stages.