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The Man Who Bought Mars by Polton Cross:
Science Fiction Inventions, Technology and Ideas
"Centuries Have passed, and you now own Mars," they told Hal Bailey when he awoke, "but it's worthless." Then why did they want to buy it?"

('The Man Who Bought Mars' by Polton Cross)
Select
an invention:
Solar Car A car the energy for which comes from the sun.
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Space Tunnel An enclosed gang plank extended between space ships.
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Technovelgy.com is devoted
to the creative inventions of science fiction authors and movie makers. Look
for the Science Fiction Invention Category that
interests you, the Glossary of Science Fiction
Inventions, the Timeline of Science Fiction
Inventions, or see what's New.
Find new authors and technologies - Shop for yourself,
your library and your lab.
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Science
Fiction
in the News
Russians Create Robot Tank Platoons
re: Philip Nowlan w/D. Calkins
(8/15/2025)
3D-Printed Exoskeleton Learns From Your Hand
re: Fritz Leiber
(8/13/2025)
Smartwatch Powered By Slime Mold
re: Philip K. Dick
(7/11/2025)
Unmanned Boats Attack At Sea
re: Ray Naylor
(7/9/2025)
Carpentopod Walking Table
re: Terry Pratchett
(7/7/2025)
Iron Drone Raider Counter-UAV Operations
re: Robert Sheckley
(7/5/2025)
SpaceX Rocket Shuttle Point-To-Point On Earth
re: Robert Heinlein
(7/3/2025)
Quaise Uses Beams Of Energy To Dig Geothermal Wells
re: Frank Stockton
(7/1/2025)
Robots Repair And Modify Themselves
re: Harry Harrison
(6/29/2025)
Waymo And Tesla 'Autonomous Cabs' Are Piloted By Remote Drivers
re: Philip K Dick
(6/27/2025)
Robot Janitors Get To Work
re: Philip K. Dick
(6/25/2025)
Robots Learn To Install Charged Batteries Into Themselves
re: Not known.
(6/23/2025)
Robot Rabbits Entice Pythons
re: JW Groves
(6/21/2025)
LLM 'Cognitive Core' Now Evolving
re: Philip K. Dick
(6/19/2025)
More
SF in the News
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