A dynamically modulated radar/infrared stealth composite is integrated by combining polyimide (PI) foam in its bottom, PI foam/carbon nanotube (CNT)/anisotropic iron (Fe)/vanadium dioxide (VO₂) in its middle, and VO₂ coating on its top. The unique phase transition characteristic of VO₂ effectively promotes significant changes in the conductivity, emissivity, and electromagnetic parameters of the composite foam, thereby motivating the intelligent regulation of radar/infrared stealth performance. Moreover, the bottom-designed polyimide thermal barrier layer can effectively block thermal radiation, thereby contributing to reducing surface temperatures. Meantime, VO₂ coating on the surface exhibits lower infrared emissivity after phase transition. The synergistic effect of reduced surface temperature and infrared emissivity contributes to the realization of intelligent infrared stealth. The present work proposes a promising strategy for designing actively adjustable stealth materials to cope with multi-band military detection in complex operational scenarios. 

Researchers have developed a novel “corn-shaped” AgPd@Cu nanowire catalyst that efficiently converts carbon dioxide (CO₂) into ethylene (C₂H₄), a crucial chemical feedstock. This unique structure, synthesized via a confined etching and epitaxial growth strategy, achieves a high Faradaic efficiency of 38.80% for ethylene production, marking a significant step towards sustainable fuel and chemical production from CO₂.

New experimental evidence demonstrates that discrete space-time crystals can be realized in classical soft-matter systems, thereby moving beyond the traditional complexities of quantum mechanics.

Researchers from Donghua University, in collaboration with ANTA Sports Products Ltd., have developed a one-step ultraviolet (UV) irradiation technology to significantly improve the thermal stability and hydrophilicity of medium molecular weight polyethylene (PE) fibers. By integrating crosslinking and grafting modifications using a cost-effective photoinitiator system and acrylic acid (AA) as a grafting monomer, the modified fibers exhibit excellent morphological integrity and mechanical performance at elevated temperatures (130–150 °C), while the water contact angle dramatically decreases from 105.0° (hydrophobic) to 48.4° (hydrophilic). This innovation offers a practical and scalable solution for expanding the application of PE fibers in high-temperature and dyeable textile production.

A novel sprayable nanozyme dressing developed by Chinese researchers effectively treats aerobic vaginitis by combining antibacterial, anti-inflammatory, and microbiome-regulating properties. Tested in mice, the dressing not only alleviated infection and inflammation but also restored reproductive function and pregnancy rates, offering a promising non-antibiotic strategy for gynecological care.

Electronic devices capable of perceiving and responding to environmental changes are essential for applications in human–machine interaction, monitoring systems, and robotics. However, most existing devices suffer from the separation of sensing and actuation, leading to complex integration and limited responsiveness. In this study, the researchers introduce an intelligent thermoelectric device inspired by the interplay between sensory and muscle cells in sea anemones. The device seamlessly combines multimodal sensing with autonomous thermal actuation, enabling a closed-loop sensory–motor reflex. It demonstrates excellent temperature sensitivity (0.2 ℃) and pressure resolution (0.03 mm), owing to its three-dimensional architecture and hierarchical conductive network. Molecular dynamics simulations show that its dynamic hydrogen-bonding network enhances stress dissipation and interfacial adhesion, resulting in exceptional mechanical stability over 140,000 cycles. Furthermore, the device exhibits thermal self-adaptation, actively initiating a protection mechanism through thermoresponsive deformation to avoid high-temperature stimuli, with an adjustable actuation threshold. This work represents a significant advancement toward intelligent electronics capable of real-time decision-making and active environmental interaction.