Results 141 to 150 of about 965,634 (312)

Barack Recreation Center exercise class photograph

open access: yes, 1971
This photograph shows boys exercising in the gym at the Barack Recreation Center. This item is part of a collection of photographs from the Columbus Recreation and Parks Department.
Columbus (Ohio). Recreation and Parks Department
core  

Recent Advances in Light‐Addressable Electrochemistry for Spatially Resolved Applications

open access: yesAdvanced Materials Technologies, EarlyView.
This comprehensive review highlights light‐addressable electrochemistry as a powerful tool that uses light to control localized chemical reactions on unstructured semiconductor surfaces. The work evaluates advanced strategies to optimize electrode materials for enhanced spatial resolution and stability. Furthermore, it showcases diverse applications in
Nhi Trang Vo   +2 more
wiley   +1 more source

Boys Recreation Club weight lifting photograph

open access: yes, 1961
This photograph shows children participating in the Boys Recreation Club being instructed in lifting barbells. This item is part of a collection of photographs from the Columbus Recreation and Parks Department.
Columbus (Ohio). Recreation and Parks Department
core  

Zero‐Waste Manufacturing of Ophthalmic Lenses by Direct Fluidic Shaping in Arbitrary Domains

open access: yesAdvanced Materials Technologies, EarlyView.
Conventional ophthalmic lens manufacturing discards up to 97% of material through subtractive processes. The Cookie Cutter algorithm extends Fluidic Shaping to arbitrary rim geometries. The framework prescribes a spatially varying boundary height that, under neutral buoyancy and surface tension, shapes curable polymer into spherocylindrical lenses that
Yotam Katzman   +6 more
wiley   +1 more source

Watkins Recreation Center Christmas decorations photograph

open access: yes, 1968
This photograph shows people posing with Christmas decorations, including a Christmas tree and presents, at Watkins Recreation Center. This item is part of a collection of photographs from the Columbus Recreation and Parks Department.
Columbus (Ohio). Recreation and Parks Department
core  

Extrusion‐Based Bioprinting of Living Bioinks for Tissue and Organ Engineering

open access: yesAdvanced Materials Technologies, EarlyView.
Extrusion‐based bioprinting is presented as the most versatile route for fabricating living, heterogeneous tissues. Its ability to combine diverse bioinks, support matrices, and advanced printhead geometries transforms familiar constraints into powerful biofabrication opportunities.
Eric Silberman   +4 more
wiley   +1 more source

Beatty Recreation Center preschool game photograph

open access: yes, 1968
This photograph shows preschool students at Beatty Recreation Center seared in a circle on the floor. This item is part of a collection of photographs from the Columbus Recreation and Parks Department.
Columbus (Ohio). Recreation and Parks Department
core  

Photoactive and Ultrastable Silicon/Boron Doped Diamond Photoanodes Enable Longstanding Photoinduced Electrochemiluminescence

open access: yesAdvanced Optical Materials, EarlyView.
This study introduces a highly durable n‐Si/BDD photoanode for photoinduced electrochemiluminescence that entirely circumvents conventional interfacial passivation. By delivering a stable photovoltage under near‐infrared irradiation, the heterojunction facilitates low‐potential optical upconversion.
Changlin Zhou   +7 more
wiley   +1 more source

Sunshine Recreation Center football players photograph

open access: yes, 1950
This photograh shows boys from the Sunshine RecreationCenter posing with a football. This item is part of a collection of photographs from the Columbus Recreation and Parks Department.
Columbus (Ohio). Recreation and Parks Department
core  

Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion

open access: yesAdvanced Robotics Research, EarlyView.
A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza   +3 more
wiley   +1 more source

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