This cart demo is about piezoelectricity - how some crystals produce electricity when you squeeze them. Visitors learn about the history of piezoelectricity, how it's used, and how it's applied in nanotechnology. They make electric sparks, handle models and listen to cheesy music.
For more information about this piece: nisenet.org/catalog/programs/electric_squeeze
The Nanoscale Informal Science Education Network (NISE Net) is a national community of researchers and informal science educators dedicated to fostering public awareness, engagement, and understanding of nanoscale science, engineering, and technology.