1.   The device emits a signal which can be picked up by a submarine.

2.   The new device emits a powerful circular column of light.

3.   Called plasma contractor units, the devices emit clouds of xenon gas around the outpost.

4.   Government regulations restrict the amount of radio waves that commercial devices emit to be very small.

5.   He said the devices will emit electrical fields that repel sharks within a seven-meter radius.

6.   Neither device has emitted any signals that have been detected, Rasmussen said.

7.   Once inserted the device emits a radio frequency that ablates, or removes, prostatic tissue.

8.   The device emits a signal police computers can track.

9.   The device emits high-frequency electromagnetic waves that pass through clothing, but are reflected by hard objects.

10.   The device emits an invisible electromagnetic wave beam that travels at the speed of light.