Untethered robots miniaturized to the length scale of millimeter and below attract growing
attention for the prospect of transforming many aspects of health care and bioengineering …

Soft robots have recently attracted increased attention because their characteristics of low‐
cost fabrication, durability, and deformability make them uniquely suited for applications in …

Flexible magnetic small-scale robots use patterned magnetization to achieve fast
transformation into complex three-dimensional (3D) shapes and thereby achieve locomotion …

Untethered small-scale machines (USSMs) that can actively adjust their motion,
deformation, and collective states in response to external stimuli have gained enormous …

Inspired by embryonic wound closure, we present mechanically active dressings to
accelerate wound healing. Conventional dressings passively aid healing by maintaining …

Progress in optical manipulation has stimulated remarkable advances in a wide range of
fields, including materials science, robotics, medical engineering, and nanotechnology. This …

Due to their small sizes, microrobots are advantageous for accessing hard-to-reach spaces
for delivery and measurement. However, their small sizes also bring challenges in on-board …

Contactless bubble manipulation with a high spatiotemporal resolution brings a qualitative
leap forward in a variety of applications. Despite considerable advances, light-induced …

Magnetic actuation techniques and microrobots have attracted considerable interest due to
their potential applications in biomedicine. Interventional techniques have emerged as a …

Motile metal− organic frameworks (MOFs) are potential candidates to serve as small‐scale
robotic platforms for applications in environmental remediation, targeted drug delivery, or …