31.   The electronic signal that led to the rescue made a globe-hopping triangle.

32.   The electronic signals that Echelon satellites and listening posts capture are separated into two streams, depending upon whether the communications are sent with or without encryption.

33.   The digital revolution has actually proved a boon to the makers of analog chips, devices that process continuous electronic signals rather than ones and zeros.

34.   The electrons in turn are amplified into electronic signals that are digitized.

35.   The FBI and intelligence agencies also have sought legislation to give government a secret code to decode all computer messages and other electronic signals sent over telephones or airwaves.

36.   The fiber-optic cable connection between sites allows electronic signals to travel so rapidly, back and forth, that interaction is instantaneous to the eye and ear.

37.   The implant cannot restore normal hearing because it does not amplify sound, instead converting sound into electronic signals.

38.   The group spent some time in the past few years around Datil, New Mexico, near an array of radio telescopes that probes the universe for electronic signals.

39.   The intelligence-gathering network that captures the electronic signals that NSA needs to do its work is popularly called Echelon.

40.   The most fervent backcountry snowshoers carry avalanche beacons, which emit an electronic signal so victims can be located if they get buried.