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.
- The nanostructure of a material determines its properties. Small changes in structure can mean big changes in property.
- Piezoelectricity is a property of crystals with a certain shape. Squeeze them and they generate electricity. Apply a current to them and they change shape.
- Scientists use piezoelectricity to explore and transform the nanoscale world.
- Nanometer-sized things are very small, and often behave differently than larger things do.
- Scientists and engineers have formed the interdisciplinary field of nanotechnology by investigating properties and manipulating matter at the nanoscale.
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