Flat optics has emerged as a key player in the area of structured light and its applications,
owing to its subwavelength resolution, ease of integration, and compact footprint. Although …

Mechanical metamaterials are engineered materials with unconventional mechanical
behavior that originates from artificially programmed microstructures along with intrinsic …

A conventional topological insulator (TI) has gapped bulk states but gapless edge states.
The emergence of the gapless edge states is dictated by the bulk topological invariant of the …

Origami traces its origins to an ancient art form transforming flat thin surfaces into various
complex, fabulous 3D objects. Nowadays, such transformation transcends art by offering a …

Inverse design arises in a variety of areas in engineering such as acoustic, mechanics,
thermal/electronic transport, electromagnetism, and optics. Topology optimization is an …

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

Artificial intelligence, especially machine learning (ML) and deep learning (DL) algorithms,
is becoming an important tool in the fields of materials and mechanical engineering …

Elastic properties of classical bulk materials can hardly be changed or adjusted in operando,
while such tunable elasticity is highly desired for robots and smart machinery. Although …

Thick-panel origami has shown great potential in engineering applications. However, the
thick-panel origami created by current design methods cannot be readily adopted to …

Metamaterials, as artificially structured materials composed of subwavelength arrays of
resonant unit cells, can exhibit exotic properties beyond those accessible to natural …