I looked around briefly, but couldn't find anything specific on how this works; I found mostly other articles about this video and pictures of other test flight

I looked around briefly, but couldn't find anything specific on how this works; I found mostly other articles about this video and pictures of other test flights. Is anyone familiar with how this is powered, how safe it's likely to be, and how close to production it really is? Homepage: http://jetpackaviation.com/ http://jetpackaviation.com/