Terahertz camera passively views human hand

ee times uk has an updated story on a breakthrough in terahertz imaging Where it is described "the main advantage of a terahertz imager is that it does not emit any radiation and it is a passive camera, capturing pictures of the natural terahertz rays emitted by almost all objects."
This article on the European Space Agency portal has flash animation and is pretty good. The project is called StarTiger and they have a few aditional images, and an avi animation.
The unit is already portable: “The StarTiger imager fits within a briefcase, is easy transportable. The core of the instruments is the size of a cigarette package,” This technology was dicussed before in a previous story.