Can Lasers Teach Bullets to ’Squeal’?
Often at the scene of a shooting, investigators have little evidence to work with. The shooter usually runs away with the gun, leaving behind little more than a couple of spent shell casings. Scratches and marks on a shell casing can tie it to a certain gun barrel, but the analysis is difficult, and investigators need both the gun and the casing to make the connection. If only someone could make a bullet talk. We can. Since 1996, we have been developing micromachining technologies tha...
Photonics Spectra, May 1999