more ... A graph of plotted points that show the relationship between two sets of data. In this example, each dot represents one person's weight versus their height. Scatter (XY) Plots. Search :: Index :: About :: Contact :: Contribute :: Cite This Page :: Privacy.
A forensic light source is a crime scene investigatorâs and lab technicianâs tool for enhancing observation, photography and collection of evidence including latent fingerprints, body fluids, hair and fibers, bruises, bite marks, wound patterns, shoe and foot imprints, gun shot residues, drug traces, questioned documents, bone fragment detection, ...
A black light is a source of electromagnetic radiation that emits near-ultraviolet light, usually in the 350-375 nanometer wavelength range. This range is just slightly below the 400nm that human eyes can detect. When this light is reflected off certain materials, it looses energy and its wavelength expands to over 400nm. The reflected light is then visible to human eyes, and the illuminated objects appear to glow.