From Google, here is how
"Follow these steps to set up Hangouts On Air with YouTube Live:
It works. It isn't as easy as it used to be. I don't know why they changed it. Sadly, for my 121 iPad school, it doesn't work on an iPad. One can't create a recorded hangout or join one either. Also, kudos and thanks to my colleague at FCIT, +Victoria Schwoebel. I needed her help figuring it out. Which shows two things:
1) It isn't that easy to figure out because I am not a tech neophyte.
2) Vicki is very smart.
I want my students to record interviews on their iPads. Sadly, this isn't going to be the tool.