A new fingerprint analysis method will make it easier for forensic investigators to study old, dry fingerprints, potentially unmasking new evidence in cold cases. Using gold nanoparticles, researchers were able to target amino acids on non-porous surfaces, which will allow better analysis of latent fingerprints.
It's a scene familiar from a plethora of TV shows and movies: the crime scene photographer, carefully stalking around a taped-off area, meticulously documenting each piece of evidence as they lie beneath neon markers, noting the precise placement of each item as he snaps away. Well, thanks to a new procedure developed by Spanish scientists, that crime scene photographer is going to have a lot less work on his hands.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.