Results 181 to 190 of about 852,071 (368)

Oxygen‐Driven Reconstruction Activates Quasi‐Single Pd Sites in Hollow PdAg Nanotubes for Zinc–Air and Fuel Cells

open access: yesAdvanced Science, EarlyView.
A galvanic replacement strategy is employed to fabricate hollow PdAg alloy nanotubes, where interfacial oxygen triggers surface reconstruction and stabilizes quasi‐single Pd active sites. This atomic‐level engineering optimizes electronic configurations and enriches exposed catalytic centers, significantly boosting oxygen reduction reaction activity ...
Zongge Li   +11 more
wiley   +1 more source

Bio‐Inspired Stored Magnetic Energy Actuator with Transient Triggering and Programmable Logic

open access: yesAdvanced Science, EarlyView.
A bio‐inspired magnetic energy actuator achieves 1.6 m/s transient release—three orders faster than conventional systems—via direct ink writing printed NdFeB/Polydimethylsiloxane composites and environmental locks; biomimetic AND‐gate logic enables sequential cue recognition (e.g., “temperature → rainfall”).
Chao Xu   +5 more
wiley   +1 more source

A kinematically Bifurcated Metamaterial for Integrated Logic Operation and Computing

open access: yesAdvanced Science, EarlyView.
A family of 2n‐side kinematic polygonal modules with n decoupled inputs and 2n extreme configurations via kinematic bifurcation is proposed. It allows integrating seven basic logic gates on a quadrilateral module. Moreover, a minimized Parallel Computing Sum of Products function is developed, enabling all 2‐bit arithmetic (including division ...
Kaili Xi   +6 more
wiley   +1 more source

Underwater Instant Adhesive Hydrogel Interfaces for Robust Biosensing on Diverse Species

open access: yesAdvanced Science, EarlyView.
An instant underwater adhesion hydrogel interface is constructed via a universal and facile molecular entanglement engineering through a roll‐to‐roll scalable manufacturing protocol, achieving rapid and strong interfacial toughness over 230 J•m−2 within 10 s.
Xueyin Chen   +10 more
wiley   +1 more source

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