Ring Thrower with 2 Aluminum Rings for Eddy Current Study Subcategory_Globes and Android devices up to

and Android devices up to 4 inches wide for hands-free desktop viewing

and bladder

Length-adjustable wooden pendulum simple-machine model with a blue bob sliding along the string and a wooden guide keeping the swing on a consistent path for period-vs-length measurements

knife switches

Straight screw-thread connector in borosilicate glass features thread size 13 for connecting glass tubing and apparatus components

Ring Thrower with 2 Aluminum Rings for Eddy Current Study Subcategory_Globes and Android devices up toDemonstrates Lenz's law and induced eddy currents by launching a solid aluminum ring upward from an energized electromagnet while a slit ring stays put on the coil.