Just spent the morning doing something I’ve been wanting to try for years: Fly a jetpack. JetLev, the unit’s manufacturer, just completed the first production model and let me be the first media to experience it first-hand. Instead of a rocket expelling hot gas, you’ve got twin nozzles shooting out high volumes of water at low pressure. You’re tethered to the surface by a 33-foot-long flexible hose. It’s a total hoot. Note that I’d only been flying this contraption for a few minutes when the video was taken. I got better — a little — after logging about 30 minutes total flying time; I was able to go higher and keep the thing under better control; the demo pilots can pull off some really impressive flying. I’ll be writing about the experience soon for Popular Mechanics.