Four-Day Planet by H. Beam Piper:
Science Fiction Inventions, Technology and Ideas

Enjoyable novel by Piper; the most interesting main character is the planet Fenris. Days that last for 2,000 hours and four days per year; too hot or too cold. This book recalls some of Heinlein juveniles of the fifties. Select an invention:

Carniculture Plants - grow your own meat
Industrial plants that grow meat protein.

Recording Radio
A handheld device that both recorded sound and transmitted it live to a remote broadcasting location.

Teleprinter
A device that printed out a copy of today's newspaper.

Transmit Camera
A camera that both takes pictures and uploads it directly to a news station.

 

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.

 

 

 

 

Science Fiction
in the News

Will AIs Give Better Results If You're Rude To Them?
re: John Varley
(9/7/2025)

Cybertruck Robotic Arm F10 Drone Launch!
re: Philip K. Dick
(9/5/2025)

Black Fungus Blocks Radiation
re: Andy Weir
(9/3/2025)

Liuzhi Process Now In Use In China
re: George Orwell
(9/1/2025)

Reflect Orbital Offers 'Sunlight on Demand' And Light Pollution
re: Theodore Sturgeon
(8/29/2025)

Will Robots Become Family Caregivers?
re: Philip K. Dick
(8/27/2025)

Chinese Tokamak Uses AI To Keep Fusion Plasma Stable
re: Various
(8/25/2025)

Time Crystals Can Now Be Seen Directly
re: NK Heming
(8/23/2025)

RoboBallet The Dance Of Cooperative Robots
re: Isaac Asimov
(8/21/2025)

Chrysalis Generation Ship to Alpha Centauri
re: Nat Schachner
(8/19/2025)

Alexa+ And Its AI Brain Improvements
re: Philip K. Dick
(8/17/2025)

Does CloneRobotics Offer A True Android?
re: Ephraim Chambers
(8/11/2025)

Brain Implant Is Able To Capture Your Inner Dialogue
re: Daniel Suarez
(8/9/2025)

Are AIs Going Rogue Like Hal 9000
re: Arthur C. Clarke
(8/7/2025)

More SF in the News

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.