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Like a biologist's microscope or a geographer's global positioning system, assistive technologies allow scientists and engineers to extend their capabilities.

With assists from technology -- sometimes high and sometimes low -- these scientists are overcoming obstacles and getting their work done.

Students in the University of Tulsa's Cyber Corps Program pick through Dumpsters for cyber clues, extract digital evidence from shattered cell phones, and hack into "unhackable" computer systems, all in the name of national service.

"For aspiring researchers, community colleges are an attractive way to begin one's scientific training."