Equally belated, three recent technology interviews:
A way to take high-resolution 360-degree panoramic images and video, developed as a way to beguile potential house-buyers, duly clobbered by the recession in that sector, now re-tooled as a high-tech item for military and security uses. Its output has been accepted as evidence in a murder trial, which could be a turning point.
Imaging living cells without using lenses; not a new idea, not easy, but the algorithms are getting better all the time.
The exact way in which the artery in your neck pulses can indicate the beginnings of cardiovascular disease, and a cheap laser triangulation could be an easy way of spotting the effects. The principle is simple; the execution probably a bit less so.