The Roads Must Roll by Robert Heinlein:
Science Fiction Inventions, Technology and Ideas

This novella deals with the dangers of rapidly advancing technology. From the standpoint of "predicting the future" this story veers from our path; but the characters and situations are recognizable in our world. Select an invention:

Hush-a-Phone - noise suppression for telephones
A special kind of telephone that reduced noise while talking.

Rolling Road - public transport
A set of fast-moving strips to move people over distances.

Solar Reception Screen - photovoltaics in action
A device for converting sunlight to electricity

Tumblebug - a gyro-stabilized monocycle
A monocycle; a motorcycle that balances on a single wheel.

Two-Wheeled Car
A small passenger vehicle with two centerline wheels.

 

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.
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Science Fiction
in the News

Musk Idea Of Cars Talking To Each Other Predicted 70 Years Ago
re: Isaac Asimov
(9/21/2025)

Elegant Bivouac Shelter Produces Water And Electricity
re: Arthur C. Clarke
(9/17/2025)

X-Control Janus-1 A Suitcase Aircraft
re: ED Skinner
(9/15/2025)

'AI Assistants' Are Actually Less Reliable For News
re: Arthur C. Clarke
(9/13/2025)

YES!! Remote Teleoperated Robots predicted by Technovelgy!
re: James Blish
(9/11/2025)

Will Robots Ever Fold Landry?
re: Philip K. Dick
(9/9/2025)

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)

More SF in the News

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