A fellow organizer gave [Kieran] a [Harry Potter] Magic Candle, which allows him to light the toy with the wave of his IR-enabled wand. He was told to “make it do something cool”, so he took a ...
light squeezers and broadband optical-communication networks. “I refer to it as a magic wand — you feel like a wizard because there’s so many applications, from ultralow-noise space ...
The end result is an isolated point of light representing the tip of the wand, which can be fed into Open CV’s optical flow function to show [Adam] what shape the user was trying to make.