Looks like the smaller but less accurate version of this: http://www.extremetech.com/extreme/100395-mit-can-now-see-through-concrete-walls http://www.extremete

Looks like the smaller but less accurate version of this: http://www.extremetech.com/extreme/100395-mit-can-now-see-through-concrete-walls http://www.extremetech.com/extreme/100395-mit-can-now-see-th...