Results 71 to 80 of about 2,202,899 (234)

From Abstract to Tangible: Leveraging Virtual Reality for Playful Math Education

open access: yesEducation Sciences
This study investigates the use of GeoGebra, a Dynamic Geometry Software (DGS) for math learning in Virtual Reality (VR) using head-mounted displays. We conducted a study with n = 20 middle school students receiving a mathematics tutoring intervention ...
LeaAnne Daughrity   +2 more
doaj   +1 more source

Enhancing 21st Century Skills with AR: Using the Gradual Immersion Method to Develop Collaborative Creativity.

open access: yes, 2017
As 21st century skills (e.g., creativity and collaboration) are informally developed by tech-savvy learners in the Digital Age, technology-based strategies to develop such skills in non-formal and formal contexts are necessary to reduce the gap between ...
Jorge C. Sanabria   +1 more
semanticscholar   +1 more source

Linking Polyelectrolyte Modification and Enzyme‐Catalyzed Phenolic Acid Functionalization of Cellulose Fiber for Functional Foams

open access: yesAdvanced Materials Technologies, EarlyView.
Cellulose fibers functionalized using cationic poly(Dimethyldiallylammonium chloride) (polyDADMAC) and laccase‐mediated ferulic acid system are processed into foams using different surfactants (Anionic, cationic, and non‐ionic). Fiber–surfactant interactions influence foam stabilization and porous structure formation during convective drying, producing
Abirami Senthil   +4 more
wiley   +1 more source

PENGARUH KONSENTRASI INHIBITOR EKSTRAK DAUN GAMBIR DENGAN PELARUT ETANOL-AIR TERHADAP LAJU KOROSI BESI PADA AIR LAUT

open access: yesJurnal Riset Kimia, 2012
The important properties to overcome the corrosion are safe, available, biodegradable, low cost, and environmental friendly. Gambier leaves extract is one of the inhibitor that have environmental friendly properties.
Rozanna Sri Irianty   +1 more
doaj   +1 more source

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

A Global Curriculum? Understanding Teaching and Learning in the United States, Taiwan, India, and Mexico

open access: yesSAGE Open, 2014
While educators recognize that teaching and learning are complex activities evolving from social and cultural contexts, pressure is mounting to be internationally competitive.
Ervin F. Sparapani   +4 more
doaj   +1 more source

Language as an including or excluding factor in mathematics teaching and learning

open access: yesMathematics Education Research Journal, 2019
This article explores the power of language to either include or exclude certain groups of students from genuine opportunities for mathematical sense-making.
S. Robertson, Mellony Graven
semanticscholar   +1 more source

Single‐Step Fabrication of Smart 3D Microstructures Exploiting Naphthopyrans as Photoinitiators and Photochromic Molecules

open access: yesAdvanced Optical Materials, EarlyView.
Naphthopyran–benzophenone compounds can act simultaneously as photoinitiators and photochromic molecules for two‐photon polymerization. Using a single‐step process, liquid photoresist is encapsulated within polymerized 3D microstructures, preserving reversible UV–vis photochromism after fabrication.
João P. Leote   +5 more
wiley   +1 more source

A trilingual experience for a mathematics immersion

open access: yes, 2012
We summarize the programme at the CEIP Angel Frígola to introduce basic concepts of mathematical language in a class of rather heterogeneous First Year pupils.
Ramírez Uclés, Rafael   +1 more
openaire   +1 more source

Design and Modeling of a High‐Displacement, Skin‐Integrated Flexible Electromagnetic Actuator for Haptic Interfaces in Virtual Reality

open access: yesAdvanced Robotics Research, EarlyView.
A flexible, skin‐integrated electromagnetic actuator is developed for wearable virtual/augmented reality (VR/AR) haptic systems. A tunable design model enables control over displacement and resonance frequency. The system is validated through a custom VR application with a 6 × 4 actuator array, demonstrating real‐time, spatially targeted tactile ...
Naji Tarabay   +9 more
wiley   +1 more source

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