PITTSBURGH -- Most robots are functional. Only a few are edible, even nutritious.
Mickey McManus took five seedless cucumbers, carved them so they looked
like fingers and anchored them to a hunk of Edam cheese. To this
"hand," he attached a small electronic device, programmed to respond to
sound; when someone laughed or clapped, the fingers flexed. He brought
his cucumber robot to a wine-and-cheese party as an appetizer, along
with a robotic Rice Krispies Treats man that pivoted whenever the
Mr. McManus is neither chef nor computer scientist. He's a Pittsburgh executive who, along with about 500 ...