Geodes

Pink geode by Fran W.
Did you know…

A mummified frog was discovered in a flint geode in 1899!

Activity: Make your own "geode"


Benjamin Franklin's Armonica

Franklin's Glass armonica author Vince Flango

The Glass Armonica

Did you know....

In 1758, Benjamin Franklin, was inspired to make his glass armonica after seeing water-filled wine glasses played in England!

Play a virtual armonica or Listen as a glass armonica is played.

Play a virtual armonica here.


Watch a variety of videos of people playing the glass armonica here.

Besides being an inventor, what else is Ben Franklin famous for?
Read about the history of the glass armonica and see pictures of the original instrument.

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