It seems that the real breakthough here is the cost of production? Seeing through walls is certainly nothing new and I thought that the latest and most promisin

It seems that the real breakthough here is the cost of production? Seeing through walls is certainly nothing new and I thought that the latest and most promising technology for doing this was using Terahertz radiation: http://www.wired.com/wiredscience/2010/07/terahertz-detection/ http://www.wired.com/wiredscience/2010/07/terahertz-detectio... http://www.hightech-edge.com/terahertz-remote-sensors-detect-objects-behind-inside-packages-pockets/8958/ http://www.hightech-edge.com/terahertz-remote-sensors-detect...