| 1 | It pours out of the radio all day. | |
| 2 | In time, he believes, we may even be able to send virtual kisses over the airwaves. | |
| 3 | These antennae are small enough to be mobile, but they are not quite big enough to catch all of the low-frequency radio waves. | |
| 4 | Still another technique, very long baseline interferometry, has radio telescopes on the ground listen to extragalactic radio waves to detect changes in the positions of the ground stations. |
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