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Showing 76 to 90 of 320 results Save | Export
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Shew, Ashley – Bulletin of Science, Technology & Society, 2013
We are in a position today to appreciate the ambiguity of technologies: that they are good, and bad, and neutral and present challenges in different ways. Reading U.S. national nanotechnology documents and histories of nanotechnology, one finds that rhetoric idealizing progress without serious consideration of negative side-effects remains…
Descriptors: Technology, Science and Society, Rhetoric, Technological Advancement
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Bokedal, Tomas; Reindal, Solveig Magnus; Rise, Svein; Wivestad, Stein M. – Journal of Philosophy of Education, 2022
Innovations in genetics, nanotechnology and artificial intelligence involve the possibility of enhancement of human attributes and capacities--offering humans innumerable opportunities for diverse, unprecedented experiences and developments both physically and cognitively. These new innovations, frequently associated with theoretical frameworks…
Descriptors: Technological Advancement, Ethics, Teaching Methods, Educational Philosophy
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Orbaek, Alvin W.; McHale, Mary M.; Barron, Andrew R. – Journal of Chemical Education, 2015
The aim of this simple, quick, and safe laboratory exercise is to provide undergraduate students an introduction to nanotechnology using nanoparticle (NP) synthesis. Students are provided two procedures that allow for the synthesis of different yet controlled sizes of silver NPs. After preparing the NPs, the students perform UV-visible…
Descriptors: College Science, Science Instruction, Undergraduate Study, Science Laboratories
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Murcia, Karen – Teaching Science, 2013
Nanotechnology is guided by the assumption that with the ability to shape or re-shape at the molecular level, we could manipulate the physical world. Some speculate that this ability will be the beginning of the next technological revolution. Hence, an aim of secondary science education should be the development of scientifically literate citizens…
Descriptors: Secondary School Students, Student Attitudes, Science Curriculum, Curriculum Development
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Sanders, Wesley C.; Johnson, Glen; Valcarce, Ron; Iles, Peter; Fourt, Hunter; Drystan, Kyne; Edwards, Dakota; Vernon, Jarom; Ashworth, Spencer; Barucija, Amar; Curtis, Zachary – Journal of Chemical Education, 2019
A new experiment for use in introductory nanotechnology courses is described. This experiment allows students to fabricate metallic wires with microscale lateral dimensions and nanoscale vertical dimensions. Fabrication occurs in the capillaries of polydimethylsiloxane (PDMS) stamps modified with hydrophilic polymers. This experiment provides…
Descriptors: Introductory Courses, Molecular Structure, Technology, Laboratory Experiments
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Ekkens, Tom – Physics Teacher, 2015
Many introductory and nanotechnology textbooks discuss the operation of various microscopes including atomic force (AFM), scanning tunneling (STM), and scanning electron microscopes (SEM). In a nanotechnology laboratory class, students frequently utilize microscopes to obtain data without a thought about the detailed operation of the tool itself.…
Descriptors: Laboratory Equipment, Physics, Science Instruction, College Students
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Crawford, Christina; Obenland, Carrie; Nichol, Carolyn – Journal of STEM Outreach, 2021
Pre-college engineering education has gained traction in U.S. schools over the past twenty years. This growth is evident with engineering emerging as a crosscutting discipline in the Next Generation Science Standards. However, the scarcity of professional development (PD) for K-12 teachers who want to teach engineering and the few PD opportunities…
Descriptors: Professional Development, Program Length, Program Effectiveness, Inservice Teacher Education
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Alkilany, Alaaldin M.; Mansour, Sara; Amro, Hamza M.; Pelaz, Beatriz; Soliman, Mahmoud G.; Hinman, Joshua G.; Dennison, Jordan M.; Parak, Wolfgang J.; Murphy, Catherine J. – Journal of Chemical Education, 2017
A simple, reliable, and cost-effective experiment is presented in which students synthesized citrate-capped gold nanoparticles (GNPs), functionalized them with poly(ethylene glycol) (PEG), and transferred the PEG-GNPs from water to the organic phase dichloromethane. The experiment introduces students to nanotechnology with foci on important…
Descriptors: Chemistry, Science Instruction, Science Experiments, College Science
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Lan, Yu-Ling – International Journal of Science Education, 2012
To maximize the contributions of nanotechnology to this society, at least 60 countries have put efforts into this field. In Taiwan, a government-funded K-12 Nanotechnology Programme was established to train K-12 teachers with adequate nanotechnology literacy to foster the next generation of Taiwanese people with sufficient knowledge in…
Descriptors: Factor Analysis, Validity, Foreign Countries, Psychometrics
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He, Zhiyu; Ding, Shansen; Wang, Luyang; Wang, Guoqing; Liang, Xingguo; Takarada, Tohru; Maeda, Mizuo – Journal of Chemical Education, 2021
Demonstration of a colorimetric approach for nucleic acid detection represents an attractive educational experiment for chemistry undergraduate students in the time of coronavirus pandemic. Herein, a rapid and vivid detection method that visualizes the presence of a specific DNA sequence is described. The plasmon resonance of gold nanoparticles…
Descriptors: Science Instruction, College Science, Chemistry, Science Experiments
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Pham, Susan N.; Kuether, Joshua E.; Gallagher, Miranda J.; Hernandez, Rodrigo Tapia; Williams, Denise N.; Zhi, Bo; Mensch, Arielle C.; Hamers, Robert J.; Rosenweig, Zeev; Fairbrother, Howard; Krause, Miriam O. P.; Feng, Z. Vivian; Haynes, Christy L. – Journal of Chemical Education, 2017
In recent years, nanomaterials have entered our daily lives via consumer products; thus, it has become increasingly important to implement activities to introduce these novel materials into chemistry curricula. Here we introduce a newly developed fluorescent nanomaterial, carbon dots, as a more environmentally friendly alternative to heavy-metal…
Descriptors: Chemistry, Electronic Equipment, Spectroscopy, Science Instruction
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Lind, Johan; Pelger, Susanne; Jakobsson, Anders – International Journal of Technology and Design Education, 2022
The purpose of this study is to explore whether, and if so how, a design activity could encourage students to express and develop knowledge on emerging technology in relation to issues about sustainability. Several researchers have asserted that, in today's technologically dependent society, it is important to be able to control technology and…
Descriptors: Design, Sustainability, Technological Literacy, Early Adolescents
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Gul, Seyda – Journal of Science Education and Technology, 2017
Nanobiotechnology, which resulted from the convergence of biotechnology and nanotechnology, is a new field of research, and it has an increasing impact on peoples' everyday lives. Thus, it is important to measure peoples' attitudes towards nanobiotechnology, in particular, those who are specifically involved in biology and science education.…
Descriptors: Academic Achievement, Undergraduate Students, Student Attitudes, Biotechnology
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Gardner, Grant E.; Jones, M. Gail; Albe, Virginie; Blonder, Ron; Laherto, Antti; Macher, Daniel; Paechter, Manuela – Research in Science Education, 2017
Recent efforts in the science education community have highlighted the need to integrate research and theory from science communication research into more general science education scholarship. These synthesized research perspectives are relatively novel but serve an important need to better understand the impacts that the advent of rapidly…
Descriptors: Foreign Countries, Comparative Education, Postsecondary Education, STEM Education
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Stavrou, Dimitris; Michailidi, Emily; Sgouros, Giannis – Chemistry Education Research and Practice, 2018
Introducing Nanoscience and Nanotechnology (NST) topics into school science curricula is considered useful for an in-depth understanding of the content, processes and nature of science and technology, and also for negotiating the social aspects of science. This study examines (a) the development of an inquiry-based Teaching-Learning Sequence (TLS)…
Descriptors: Sequential Learning, Chemistry, Models, Communities of Practice
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