Description
Demonstrates eddy-current braking as circular magnets swing over a 4
Twelve-spring steel extension set paired across six size combinations with looped ends
this Jolly's photometer turns the inverse-square law into a measurable observation
running battery-free for repeatable classroom and stockroom use
and electromagnet leads
Fidget Spinner Tabletop Desk Stand and Holder Lab Supplies_Weights & Masses Demonstrates eddy-current braking as circularTabletop desk stand displays fidget spinners upright for organized desk presentation during fidget toy collection and rotation.
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