shell

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Colors at the Nanoscale: Butterflies, Beetles and Opals

In this activity, museum visitors will be exposed to the term ‘Photonic Crystals’. They will see and explore some of the well-known photonic crystals in nature and will also be able observe one method that scientists use in trying to replicate this process.

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Why are Seashells so Strong?

In this hands-on activity, visitors explore the structure of seashells and learn that seashells are a composite material made of both inorganic and organic materials. Visitors compare the mechanical properties of plaster bricks and dried sheets of glue, which helps them discover that both toughness and hardness are important mechanical properties. To see what a shell would be like if it were not so tough, visitors try to break normal shells and shells that have been either baked or soaked in bleach.

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