| Answer | Crossword Clue |
|---|---|
| LASERS | Devices amplifying light waves |
| MASERS | Devices for amplifying electromagnetic waves |
| telecontrol | control of mechanical devices remotely, either by radio (as of ships and aircraft), by sound waves, or by beams of light also TELEARCHICS |
| telearchics | control of mechanical devices remotely, either by radio (as of ships and aircraft), by sound waves, or by beams of light also TELECONTROL |
| telecontrols | TELECONTROL, control of mechanical devices remotely, either by radio (as of ships and aircraft), by sound waves, or by beams of light also TELEARCHICS |
| MASER | Device amplifying electromagnetic waves |
