
A compact collection of sharp, thought‑provoking sci‑fi vignettes delivers big ideas in bite‑size form. One story follows a confident professor who builds a modest time‑machine that can only shift tiny objects a few minutes forward or backward, and he uses it to test the limits of cause and effect with a brass cube. The dialogue crackles as the scientists grapple with the paradoxes their own invention seems to create, turning a simple demonstration into a mind‑bending puzzle.
Another vignette drops the reader onto a bleak, alien battlefield where a lone infantryman fights far from home under an unfamiliar blue sun. The harsh terrain, oppressive gravity, and grotesque alien opponents heighten the tension as he scrambles to hold a vital sentry post. Together, these stories showcase a blend of clever speculation and stark survival, inviting listeners to ponder the limits of technology and the costs of war.
Language
en
Duration
~4 minutes (4K characters)
Publisher of text edition
Project Gutenberg
Credits
Produced by Greg Weeks, Stephen Blundell and the Online Distributed Proofreading Team at https://www.pgdp.net
Release date
2009-09-09
Rights
Public domain in the USA.
Subjects

1906–1972
Known for razor-sharp twist endings and a sly sense of humor, he moved easily between science fiction and mystery. His stories could be startlingly brief, but they left a lasting mark on both genres.
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