Physics · Mathematics · Making

Activities & videos

Explore OpenApparatus presentations, workshop activities, and apparatus demonstrations.

Explore 2026 activities Watch project videos
Dual-tube Lenz’s law demonstrator used for OpenApparatus Maker Faire demonstrations.
Outreach / 01Maker Faire demosMagnetic braking, shared with makers.
Two differently shaped, 3D-printed drum models in black and red on a green background.
Mathematics / 02MathFest 2026Geometry and vibration in Boston.

Activity record

2026

  • Physics & making

    FAB26 Boston

    Visualizing Physics: Open-Source Hardware for the Classroom

    Official program

  • Physics education

    AAPT Summer Meeting 2026

    Engineering a durable, open-source Lenz’s law demonstrator for classroom and outreach use

    Official poster schedule

  • Design & development

    ASPE–euspen Summer Topical Meeting 2026

    Iterative design and durability of an educational demonstrator.

    Official program

  • Maker Faire · Physics demonstration

    Maker Faire Long Island

    · Stony Brook University

    Presented the dual-tube Lenz’s Law visualizer.

  • Maker Faire · Physics demonstration

    Maker Faire Syracuse

    · NYS Fairgrounds

    Presented the dual-tube Lenz’s Law visualizer.

  • Maker Faire · Physics demonstration

    Maker Faire Philadelphia

    · Cherry Street Pier

    Presented the dual-tube Lenz’s Law visualizer. The event certificate recognizes Jonathan Liu as a “Remarkable Maker.”

Watch the work

Project videos

See how the physics apparatus is assembled and tested.

Development testing

4,000-cycle automated hardware test

Watch the motorized fixture in action during development testing of the dual-tube design.

Watch the automated test Opens on YouTube