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Ellis, Arthur B.; Kuech, T. F.; Lisensky, George C.; Campbell, Dean J.; Condren, S. Michael; Nordell, Karen J.

doi:10.1023/a:1010035306454

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“…8 One of these demonstrations of MFM used flexible sheet "refrigerator magnets". 9,10 These sheets are typically magnetized so that alternating north and south poles are arranged in parallel stripes on the back of the sheets. A narrow strip of refrigerator magnet material, representing the cantilever of an MFM, is alternately attracted and repelled by those magnetic stripes, Figure 1 (inset).…”

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“…This LEGO project began in 1997 with non-LEGO educational demonstrations of scanning probe microscopy (SPM) and associated techniques such as atomic force microscopy (AFM) and magnetic force microscopy (MFM) . One of these demonstrations of MFM used flexible sheet “refrigerator magnets”. , These sheets are typically magnetized so that alternating north and south poles are arranged in parallel stripes on the back of the sheets. A narrow strip of refrigerator magnet material, representing the cantilever of an MFM, is alternately attracted and repelled by those magnetic stripes, Figure (inset).…”

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“…It was realized that a reasonable approximation of the SPM cantilever could be achieved with thin LEGO bricks rather than the magnetic strip, Figure . , The stable end of the cantilever is connected to stacked bricks. Mounted at the top of the brick stack is a light source such as a bright light-emitting diode or laser pointer.…”

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An Exploration of the Nanoworld with LEGO Bricks

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LEGO bricks can be used for a number of demonstrations of chemical structures and properties, especially at the nanoscale level. These bricks can also be used to model instrumentation that probes these structures and properties. Detailed resources about many of these demonstrations are located on the extensive Web site “Exploring the Nanoworld with LEGO Bricks” at . This article describes the major features of the Web site, some of the site history and recent additions, and some related efforts that have had origins in this site.

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An Exploration of the Nanoworld with LEGO Bricks

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Nanoscale process engineering

Wang

Wei

2003

China Particuology

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Using Interdisciplinary Examples in Nanotechnology to Teach Concepts of Materials Science and Engineering

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The National Science Foundation-supported Materials Research Science and Engineering Center (MRSEC) on Nanostructured Materials and Interfaces at the University of Wisconsin – Madison has an extensive education and outreach effort. One theme of this effort is the development of instructional materials based on cutting-edge research in nanoscale science and engineering. The Nanoworld Cineplex contains movies and demonstrations that can be brought into classes, and the Nanotechnology Lab Manual contains numerous experiments that can be used for virtual or actual laboratories. Also available are kits, software, teaching modules and articles. A hands-on kit for nontechnical audiences, “Exploring the Nanoworld,” has been produced in collaboration with the Institute for Chemical Education.In this paper, novel hands-on demonstrations and innovative laboratory experiments aimed at the college level will be highlighted. High-tech devices and materials such as light emitting diodes (LEDs), shape memory alloys, amorphous metal, and ferrofluids are discussed in the classroom and studied in the laboratory as illustrations of nanotechnology and its impact on energy, the environment and our quality of life. These examples illustrate interdisciplinary research that provides connections among materials science, chemistry, physics, engineering, and the life sciences. They also highlight the tools of nanotechnology, such as scanning probe microscopy, electron microscopy, x-ray diffraction, and chemical vapor deposition, which are associated with the preparation and characterization of nanostructured materials. Demonstrations of the incorporation of nanotechnology to teach fundamental materials science principles presented are summarized at http://www.mrsec.wisc.edu/edetc.

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Cited by 5 publications

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An Exploration of the Nanoworld with LEGO Bricks

An Exploration of the Nanoworld with LEGO Bricks

Nanoscale process engineering

Using Interdisciplinary Examples in Nanotechnology to Teach Concepts of Materials Science and Engineering

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