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Ron Weiss, an assistant professor of electrical engineering and molecular biology at Princeton University, said the new study provides a “nice demonstration that there’s some capability to instruct cells to carry out computational tasks. And I think this certainly brings a new aspect to what’s been demonstrated before.” Weiss, who wasn’t involved with the research, said the effort is another sign that the field is progressing, despite its relative infancy. “We really are at the beginning, at the vacuum tube stage or something like that, if you use the comparison with computer electronics,” he said.