STEM Challenge Kit: Newton’s Disc Spinner October 9, 2025 @ 10:00 am - 7:00 pm Smithsburg Library 66 W. Water St., Smithsburg Stop by the Smithsburg Branch and pick up the STEM Challenge Kit for October. It is Newton's Disc Spinner. Free
Night at the Planetarium – Visible Energy: The Science of Light October 9, 2025 @ 7:00 pm - 8:00 pm Harford County Public Library 629 Edgewood Road, Edgewood Explore the origin, properties, and uses of light energy. Registration required. Free