That’s a cool approach! I just printed some flash cards that I’ve been working through, this could be a good way to sequence them. I’ll need to figure out the lingo though(what the heck is a stealth) I’ll check the source to see if it is there.
Thanks!
Your push would travel at the speed of sound in the stick. You could think of hitting a pipe with a hammer, the sound of the hit would travel at the speed of sound, same is true for you pushing the stick.