Wireless millimeter-scale robots capable of navigating through fluid-flowing tubular
structures hold substantial potential for inspection, maintenance, or repair use in nuclear …

Despite recent advances in robotic technology, sewer pipe inspection is still limited to
conventional approaches that use cable-tethered robots. Such commercially available …

This paper proposes a crawling microrobot that can effectively navigate and anchor in
various tubular environments including human blood vessels and pipes. The microrobot is a …

Inspired by identifying directions through the geomagnetic field for migrating birds, in this
work, we proposed and fabricated a single-joint worm-like robot with a centimeter scale, the …

Untethered miniature robots enable targeted delivery and therapy deep inside the
gastrointestinal (GI) tract in a minimally invasive manner. By combining actuation systems …

The limited force or torque outputs of miniature magnetic actuators constrain the locomotion
performances and functionalities of magnetic millimeter-scale robots. Here, we present a …

In complex systems like aircraft engines and oil refinery machines, pipeline inspection is an
essential task for ensuring safety. Here, we proposed a type of smart material–driven …

Tens of crawling bio-robots with cockroaches as the mobile platform have been developed
with various functions. Compared with artificial crawling robots of the same size, they …

Untethered small robots with multiple functions show considerable potential as next‐
generation catheter‐free systems for biomedical applications. However, owing to dynamic …

Feet play an important role in the adaptive, versatile, and stable locomotion of legged
creatures. Accordingly, several robotic research studies have used biological feet as the …