Letter (Astounding, July 1939): Hm-m-m—But a Paper Clip on the End of a Rubber Band May Be Moving Pretty Slow Till It's Released. Then It Acquires Kinetic Energy in a Hurry.
| First published | July 1939 |
|---|---|
| Type | Essay |
Publications (1)
| Date | Publication | Publisher | Type | Page |
|---|---|---|---|---|
| July 1939 | Astounding Science-Fiction, July 1939 | Street & Smith Publications, Inc. | MAGAZINE | 109|109.3 |