Join the Science History Institute at Movies on the Mall and explore the science of the Revolution. Learn about spies and spy craft, write a message in invisible ink, or create your own coded messages! Activities take place from 5 to 7pm. The evening’s feature film, National Treasure, starts at 7:30pm.

Registration is recommended.

More events

A library interior with tall bookshelves, large columns, and seating area.
June 17, 2026
Free

Othmer Library Tour

Curious about the other half of the Science History Institute? Step into the Othmer Library of Chemical History!

overhead view of museum displays
June 17, 2026
Museum Programs & Activities

From Our Forefathers: Climate Crisis in Chemistry History

We’ve teamed up with artist Aislinn Pentecost-Farren and ArtPhilly’s What Now: 2026 festival to look at our museum through a new lens.

etching of fireworks over architectural details
June 20, 2026
Drop-In Tours

Fireworks Tour

Join our Gallery Guides for a drop-in tour of our special exhibition on the fascinating history and science of pyrotechnics.

    Republish

    Copy the above HTML to republish this content. We have formatted the material to follow our guidelines, which include our credit requirements. Please review our full list of guidelines for more information. By republishing this content, you agree to our republication requirements.