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Micromachined Double‐Membrane Mechanically Tunable Metamaterial for Thermal Infrared Filtering
Herein, a mechanically tunable double‐layer plasmonic metamaterial leveraging the extraordinary optical transmission effect observed in subwavelength arrays of openings within thin metal layers is presented. The concept is experimentally validated by integrating the proposed metamaterial structure into an electrostatic parallel‐plate actuator to create
Oleg Bannik +7 more
wiley +1 more source
This article introduces a soft wearable eyelid sling device incorporating a hydraulic soft artificial muscle (SAM) for achieving complete closure of an eyelid. The SAM is driven by a cam mechanism that provides a displacement profile closely matched with those of a healthy eyelid.
Patrick Pruscino +7 more
wiley +1 more source
Collision‐Resilient Winged Drones Enabled by Tensegrity Structures
Based on structures of birds such as the woodpeck, this article presents the collision‐resilient aerial robot, SWIFT. SWIFT leverages tensegrity structures in the fuselage and wings which allow it to undergo large deformations in a crash, without sustaining damage. Experiments show that SWIFT can reduce impact forces by 70% over conventional structures.
Omar Aloui +5 more
wiley +1 more source
Soft Robotic Snake with Tunable Undulatory Gait for Efficient Underwater Locomotion
This study designs an underwater soft snake robot using 3D‐printed soft actuators, controlled by specific signals to generate sinusoidal undulation. Results show a positive correlation between speed and swing amplitude, with optimal performance at 2/3π phase offset, PLA tail, 1.2 voltage growth rate, and 6s undulation period achieving a maximum speed ...
Huichen Ma, Junjie Zhou, Raye Yeow
wiley +1 more source
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2021
Green infrastructure comprises natural elements, such as bioswales and greenways, that mitigate the effects of urbanization and development. These elements may mimic natural systems or make use of them to perform functions usually relegated to “gray infrastructure,” such as culverts and cisterns.
Gail Hansen, Joseli Macedo
+6 more sources
Green infrastructure comprises natural elements, such as bioswales and greenways, that mitigate the effects of urbanization and development. These elements may mimic natural systems or make use of them to perform functions usually relegated to “gray infrastructure,” such as culverts and cisterns.
Gail Hansen, Joseli Macedo
+6 more sources
The International Journal of Environmental Sustainability, 2014
The transportation industry has increasingly recognized the vital role sustainability serves in promoting and protecting the transportation infrastructure of the nation. Many state Departments of Transportation have correspondingly increased efforts to incorporate concepts of sustainability into the planning, design, and construction phases of projects
Gustavo D'Almeida Scarpinella +1 more
openaire +2 more sources
The transportation industry has increasingly recognized the vital role sustainability serves in promoting and protecting the transportation infrastructure of the nation. Many state Departments of Transportation have correspondingly increased efforts to incorporate concepts of sustainability into the planning, design, and construction phases of projects
Gustavo D'Almeida Scarpinella +1 more
openaire +2 more sources

