Soon, all electronic documents created electronically may have invisible markings that could be traced back to the author or recipient.
An edgy ambiguity comes across in Patrick Alfieri's hand-colored photographs that suggest a vast terrain irregularly interrupted by markings that could be either accidents of nature or creative interventions by the artist.
Occupying flat planes, his urban imagery depicted aging, deteriorating walls with stains, paint remnants, rust, graffiti and other markings that could be read as emotive allusions but had a formal beauty of their own.
When a friend initially suggested that Alexander try knitting moths, she wasn't particularly interested, but Alexander says her attitude changed when she realized the vast array of colors and markings that could be turned into intricate knitting patterns.
On hearing it, there were a few markings that Weir felt could be refined, usually relating to dynamics.
> -wrap-foot> aCancers hit in at least one view by the CAD system at an operating level of 2.0 false-positive markings per image bRegions that could be queried at the operating level of 2.0 false-positives markings per image Nine readers, of which four were certified screening radiologists and five were non-radiologists with mammogram reading skills, participated in the study.
According to Dikika Project leader Zeresenay Alemseged of the California Academy of Sciences, such markings could have been made only with stone tools and were likely inflicted while carving meat off the bone or while breaking the bones open to extract marrow.
The marshals handed out pins bearing the code "E-5" to those who would sit at Thomas's table, so that any guests without the proper markings who tried to approach him could be identified and stopped.
Mr. Fleischer cited concerns that a gun's markings would change with repeated firings or could be altered with a nail file.
Telltale markings in the construction of prehistoric arrows could be used to identify the archer much in the way modern ballistics can link a bullet to a gun.
