| OED requirements | any evidence 1974 |
| Earliest cite | Isaac Asimov, 'The Last Question' |
| Comment | Mike Christie submitted a cite from a 1974 reprint of Isaac Asimov's "The Last Question". We would like to verify the cite in the 1956 first appearance in Science Fiction Quarterly.
We would like cites of any date from other sources. |
| Last modified | 20 August, 2009 |
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| 1957 T. Sturgeon Pod in Barrier in Galaxy Sci. Fic. Sept. 13/1 | Both devices were theirs, and so was the ship's power plant, and so was the sub-etheric communication we could get loud and clear for almost four full days after upship. |
| 1974 I. Asimov Last Question in Nine Tomorrows 197 | Yet despite its sub-etheric workings, the Galactic AC was known to be a full thousand feet across. |