Magnetic demonstration of weightlessness: A spark of student creativity
Neodymium magnets (A and C), plastic tube (B), and bottle cap (D).
The device is ready for the demonstration.
In free fall, the lower magnet moves up. Online readers can view the complete video of the cylinder's free fall at http://dx.doi.org/10.1119/1.3651745.110.1119/1.3651745.1
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