In recent years, there has been rising interest in additively manufactured shape memory
polymers (SMPs) and their multi-functional composites. Four-dimensional (4D) printing is an …

With the development of advanced biomedical theragnosis and bioengineering tools, smart
and soft responsive microstructures and nanostructures have emerged. These structures …

Stimuli-responsive geometric transformations endow metamaterials with dynamic properties
and functionalities. However, using existing transformation mechanisms to program a single …

The ability to significantly change the mechanical and wave propagation properties of a
structure without rebuilding it is currently one of the main challenges in the field of …

The emergence of mechanical metamaterials from 4D printing has paved the way for
develo** advanced hierarchical structures with superior multifunctionalities. In particular …

Ideally, many materials should have a “knob” that allows for changing its properties at will,
including the possibility to flip the sign of its behavior. This “knob” could be used to …

Negative stiffness mechanical metamaterials have shown great promise for various
applications and are progressing toward programmability. The key challenge in designing …

Diverse natural organisms possess stimulus-responsive structures to adapt to the
surrounding environment. Inspired by nature, researchers have developed various smart …

Mechanical and morphological design parameters, such as stiffness or porosity, play
important roles in creating orthopedic implants and bone substitutes. However, we have only …

In recent years, there has been a notable increase in the significance of active mechanical
metamaterials capable of being remotely manipulated through changes in external stimuli …