Half a dozen technicians tend them around the clock, as they read letters of DNA gathered from biological samples.
Digital processing of the images often only makes things worse, he said, because even highly skilled technicians tend to boost contrast and color saturation further.
Research technicians tend to have better opportunities if they have invested in technological expertise during their studies.
Characters on television often use the word "match" to describe a definitive relationship between two pieces of evidence, whereas real forensic technicians tend to use terms that are less definite, which acknowledges that absolute certainty is often not possible.
An emergency medical technician who tended to Earnhardt said that it appeared the seat belt had been cut while getting him out of the car, but today, Helton said, "The evidence shows he was just wrong".
The technicians help tend to rodents, mostly mice, used in experiments and can help with paperwork.
Facing more and more public resistance to technological projects and risk-based decision-making in the 1970's and 80's, technicians and experts tended to present their own views as objective and rational assessments of the real risks, whereas the views of laypeople were presented as a false understanding of reality resulting from a subjective, intuitive, emotional and irrational perception.
Down the hall, in a lab with incubators filled with clear plastic containers holding a pinkish liquid, a technician was tending to the delicate task of growing the tens of billions of cells needed to make the burger, starting with a particular type of cell removed from cow necks obtained at a slaughterhouse.
For example, women presented with jobs labeled as "Nursing" rather than "Medical Technician" will tend toward the first.
