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| Show All | Science and Technology |
| Name : | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # All |
| Name |
Description | Episode |
| Delta radiation1 | Form of highly hazardous radiation capable of causing severe disfigurement.1 Delta radiation could be used to stabilise liquid Trellium-D, though it was not wholly successful at this task.2 In the Mirror universe the warp core of the NX class starship emitted Delta radiation, and disfigurement was one of the hazards of being a Chief Engineer.3 | The Menagerie, Part 1 |
| Name : | A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # All |
| Yellow text = Canon source | Green text = Backstage source | White text = DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | TOS | 1 | The Menagerie, Part 1 | |
| 2 | ENT | 3 | Rajiin | |
| 3 | ENT | 4 | In A Mirror, Darkly |
| Series: | TOS Season 1 (Disc 3) |
| Source: | The Menagerie, Part 1 |
| Series: | ENT Season 3 (Disc 1) |
| Source: | Rajiin |
| Series: | ENT Season 4 (Disc 5) |
| Source: | In A Mirror, Darkly |
| Copyright Graham Kennedy | Page views : 785 | Last updated : 1 Jan 1970 |