It uses new methods to provide wireless signals to humans . `` We can actually apply this kind of testing to just about any signal , '' spokesman Tischler said . Instead of loading a truck with people for the trip , it brings in potatoes . The potatoes mimic the way the human brain responds to electronic signals .
It uses new methods to provide wireless signals to humans . Instead of loading a truck with people for the trip , it brings in potatoes . The potatoes mimic the way the human brain responds to electronic signals .