Results 181 to 190 of about 98,089 (310)

Variable Stiffness Flexure Structures Enabled by Phase‐Change Gallium and Adhesive Interfacial Locking for Soft Robotic Applications

open access: yesAdvanced Engineering Materials, EarlyView.
A flexure‐based variable stiffness structure is developed by integrating phase‐change modulation and adhesive interfacial locking of gallium. The design enables a wide stiffness variability, transitioning from soft, flexible behavior to rigid, load‐supporting performance.
Sungjin Kim   +2 more
wiley   +1 more source

Agenda-Setting for COVID-19: A Study of Large-Scale Economic News Coverage Using Natural Language Processing. [PDF]

open access: yesInt J Data Sci Anal, 2023
Lu G   +7 more
europepmc   +1 more source

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

open access: yesAdvanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

Local TV News Coverage of Racial Disparities in COVID-19 During the First Wave of the Pandemic, March-June 2020. [PDF]

open access: yesRace Soc Probl, 2023
Xu Y   +9 more
europepmc   +1 more source

Air‐Pressure–Actuated Vibroacoustic Metamaterial With Tunable Bandgap: Design, Modeling, and Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
This article presents the design, modeling, and characterization of air‐pressure–actuated programmable vibroacoustic metamaterials (PVAMM). The study focuses on leveraging air pressure to dynamically tune resonance frequencies for effective noise attenuation.
William Kaal   +2 more
wiley   +1 more source

Routinisation of Audience Participation: BBC News Online, Citizenship and Democratic Debate

open access: yes, 2013
Leading up to the 2010 UK general election, Director General of the BBC, Mark Thompson, stressed the importance of the Corporation’s ability ‘to provide a strong and independent space where the big debates can take place, free from political or ...
Thorsen, Einar
core  

Harmful or Helpful? A Comparative Analysis of News Depictions Concerning New Media and Eating Disorders

open access: yesInternational Journal of Communication
Amid a landscape of technological change and growing concerns about the prevalence of eating disorders, news coverage has increasingly highlighted the impact of new media technologies on these conditions. In this qualitative study, using mixed methods of
Valerie Gruest   +2 more
doaj  

How digital paywalls shape news coverage. [PDF]

open access: yesPNAS Nexus
Dhillon PS, Panda A, Hemphill L.
europepmc   +1 more source

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