Discover the power of mighty machines! From big to small, explore how they work and spark kids’ curiosity through hands-on fun.

The Science History Institute joins the Please Touch Museum to explore mighty machines. Stop by our table to learn about the history of microscopy, how microscopes work, and look at various specimens from plants to fibers.


Featured image: Student microscope, ca. 1890

More events

Book cover of The Maternal Imprint showing a pattern of colorful thumbprints
March 19, 2026
Programs, Lectures & Talks

The Maternal Imprint

This Women’s History Month, join us for a thought-provoking presentation by leading gender and science scholar Sarah S. Richardson.

dark blue graphic showing 52 Weeks of Firsts along with various mementos
March 21, 2026
For Families

Stories of Science: 52 Weeks of Firsts

Join us as we celebrate the invention of the first paper match folder in 1892—the precursor to the modern matchbook—as part of the Philadelphia Historic District’s 52 Weeks of Firsts.

Women in lab coat using a spectrophotometer
March 21, 2026
Drop-In Tours

Women in Chemistry Tour

Drop in for a tour highlighting the central role of women in shaping chemistry and the material sciences throughout history.

    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.