An interesting physics experiment using iron powder to visualize the invisible magnetic field. #PopularScience

An interesting physics experiment using iron powder to visualize the invisible magnetic field. #PopularScience

An interesting physics experiment using iron powder to visualize the invisible magnetic field. #PopularScience

An interesting physics experiment using iron powder to visualize the invisible magnetic field.

User: NextFrame Network

Views: 0

Uploaded: 2025-10-23

Duration: 00:44