Spoiler1: This is awesome.
Spoiler2: I’ve never seen Minority Report.
I do know that there is some sort of hands free interface, and that is what I have put together.

Long story short, I have extended upon my PING))) project to include some sweet touchless home automation. I have the ultrasonic sensor interfacing with my garage door and a lamp, utilizing a servo and a PowerSwitch Tail, respectively.
Hit the bump for an awesome video of this thing in action, and for my spippet.