Letter (Astounding, September 1944): If You Take Out the Vacuum, You've Got Only the Ether Left, and Everyone Knows That Has to Have Terrific Density.
| First published | September 1944 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| September 1944 | Astounding Science Fiction, September 1944 | Street & Smith Publications, Inc. | MAGAZINE | 94|94.1 |