He says near the end of the video that a Part 2 video is forthcoming with more exploration of: - Different sized loops - Wires closer together / farther apart

He says near the end of the video that a Part 2 video is forthcoming with more exploration of: - Different sized loops - Wires closer together / farther apart - Wires on the ground instead of in air - Current on both sides of switch - Wires in two big spread-out loops - Different strength resistors