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Domino Reaction Encoded Heterogeneous Colloidal Microswarm with On‐Demand Morphological Adaptability

This work develops a biomimetic colloidal swarm system that can synchronously traverse complex environments through adaptive transformation and perform multitasks with domino reaction-enhanced efficiency through specialization and cooperation between building blocks, thus contributing to the development of multifunctional microswarm and the applications...

Cutaneous Ionogel Mechanoreceptors for Soft Machines, Physiological Sensing, and Amputee Prostheses

A highly sensitive and robust cutaneous ionogel mechanoreceptor is proposed through facile manufacturing methods. The hydrogel-based hierarchical architecture harnesses ultracapacitive mechanism to achieve enhanced pressure sensing functionality with high bandwidth and sensitivity. This scalable touch skin can provide tactile sensing for soft machines,...

Liquid Crystal Structure of Supercooled Liquid Gallium and Eutectic Gallium–Indium

The existence of liquid crystal (LC) mesophase in metallic materials is counterintuitive. Typical LCs are made of covalently bonded organic molecules. This study reports on the observation of LC mesophases in supercooled liquid gallium and eutectic gallium–indium alloy. LC texture of the lamellar structure similar to that of the smectic phase is unveiled...

Increasing Accessible Subsurface to Improving Rate Capability and Cycling Stability of Sodium‐Ion Batteries

Heteroatom doping affects the interlayer spacing of subsurface region much more than bulk for carbonaceous nanoparticles. The increased accessible subsurface boosts the pseudocapacitive capacity and endows SRNDC-700 with excellent rate performance up to 50 A g−1. This varies from diffusion-controlled capacity determinism and provides a novel design...

Engineering the Dynamics of Cell Adhesion Cues in Supramolecular Hydrogels for Facile Control over Cell Encapsulation and Behavior

Slow and fast exchanging molecules are co-assembled into transient fibrous networks, forming supramolecular hydrogels. Modulating the ratio between these molecules can dictate the extent of dynamic behavior of the hydrogels and incorporated bioactive cues. The dynamic character of supramolecular building blocks and the tunability of this system are...

Ultrastrong and Ductile Soft Magnetic High‐Entropy Alloys via Coherent Ordered Nanoprecipitates

Ultrastrong and ductile bulk high-entropy alloys with excellent soft magnetic properties are achieved by introducing a high volume fraction of coherent and ordered nanoprecipitates into the alloy matrix. The high lattice coherency between the homogeneously dispersed nanoprecipitates and the alloy matrix creates only negligible distortion fields on magnetic...

Crystallization by Amorphous Particle Attachment: On the Evolution of Texture

It is shown that biogenic minerals not only provide key in-sight into material morphogenesis during crystallization by amorphous particle attachment but also teach us fundamental new mechanisms that have a profound effect on textural evolution during non-classical crystal growth. A link between the emergence of texture and amorphous particle accretion...

Gifts from Nature: Bio‐Inspired Materials for Rechargeable Secondary Batteries

Bio-inspired materials have technical advantages in application as major components of secondary batteries as well as environmental and economic advantages. The recent research progress on utilization of biomaterials for electrodes, separators, and binders for the improvement of the performance of rechargeable batteries are highlighted and summarized....

A Universal Strategy toward the Precise Regulation of Initial Coulombic Efficiency of Li‐Rich Mn‐Based Cathode Materials

The introduced cation/anion double defects can reduce the interface charge transfer resistance and enhance the Li+ ions diffusion coefficient. The induced in situ surface reconstruction layer can increase the electronic conductivity and stabilize the surface lattice oxygen. As a result, the initial Coulombic efficiency of Li-rich Mn-based cathode material...

3D Laser Displays Based on Circularly Polarized Lasing from Cholesteric Liquid Crystal Arrays

Full-color 3D laser displays are demonstrated on cholesteric liquid crystal arrays, which comprise two sets of red–green–blue (RGB) pixels to present two images with orthogonal circularly polarized laser emissions. Stereoscopic images can be generated in a viewer's mind by fusing the two images acquired by the left and right eyes, respectively. ...

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