Join us for a virtual talk as we explore the past, present, and future of indigo dye.

Indigo is one of the most widespread and beloved dyes in history, from the oldest Mesopotamian dye records to modern blue jeans. Due to its unique chemical properties, the hunt for a synthetic indigo spurred intense competition in the late 1800s, the environmental consequences of which continue to confront indigo-dyeing regions today.


This online event is free and no reservations are necessary.

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Thomas Paine and Joseph Priestley are seated at a table with guns, knives, a dish says phospherous, a gun butt says "Royal Electric fluid." A winged puti grins at them squatting in the center of the table. Books on treason, murders, assistination, revolution, etc. surround them. At Priestley's feat are packages of brimstone, axe and pickax. On the walls are scenes of execution and assassinations.
August 15, 2026
For Families

Stories of Science: Revolutionary Ideas with Thomas Paine!

Join us as we welcome Thomas Paine—patriot, pamphleteer, AND SCIENTIST—as presented by reenactor Dean Howarth.

black and white photo of a man using a chromatagraph
August 15, 2026
Drop-In Tours

Forensics Highlights Tour

Fans of murder mysteries and true crime are invited to join our museum educators to explore the science behind deductions.

A stylized depiction of fireworks with yellow and red bursts against a dark background, related to the history of fireworks.
August 15, 2026
Drop-In Tours

Fireworks Tour

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

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