Jennifer and I went to try Indoor Skydiving at I Fly.
It was short, but a lot of fun.
Little detail most people likely don't notice, but I checked out: their fans draw up to *half a megawatt* when they are turning at full speed. For the layman, that means at full speed they draw as much power in one hour than 500 average houses do in a year.
A video is worth a thousand words, so here is a demo from an instructor: