Letter (Astounding, December 1942): Smith Was Not Referring to Contraterrene Matter, Which Is Positive Matter with Inverted Electrical Polarities; He Was Talking About Matter with Negative Mass, a Completely Different THing.

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Overview:

Title: Letter (Astounding, December 1942): Smith Was Not Referring to Contraterrene Matter, Which Is Positive Matter with Inverted Electrical Polarities; He Was Talking About Matter with Negative Mass, a Completely Different THing.
Author: Harold Wooster
Year: 1942
Type: Essays

Editions/Publications:

Unknown. Astounding Science-Fiction, December 1942 (Unknown, Harold Wooster, Street & Smith Publications, Inc., $0.25, 132 pages, bedsheet, MAGAZINE)

This text has been adapted from the Letter (Astounding, December 1942): Smith Was Not Referring to Contraterrene Matter, Which Is Positive Matter with Inverted Electrical Polarities; He Was Talking About Matter with Negative Mass, a Completely Different THing. entry at the Internet Speculative Fiction Database and is available under a Creative Commons License. The ISFDB does not endorse or sponsor this use.