sea glass

#OceanRunnerNH: The secret behind sea glass

Ocean Runner Nichole looks to Seacoast Science Center’s Heidi Duncanson to learn the secrets behind sea glass. As pieces of glass are “weathered” physically, by being tossed at sea, and chemically, by sea water, this marine debris is transformed into what some people consider treasures of the sea. It can take 20-50 years for

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