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

Bone-Building Drug Evenity Approved
re: Edmond Hamilton
(12/7/2025)

Secret Kill Switch Found In Yutong Buses
re: Keith Laumer
(12/5/2025)

Inmotion Electric Unicycle In Combat
re: Robert Heinlein
(12/3/2025)

Grok Scores Best In Psychological Tests
re: Isaac Asimov
(12/1/2025)

PaXini Supersensitive Robot Fingers
re: Ray Cummings
(11/29/2025)

Congress Considers Automatic Emergency Braking, One Hundred Years Too Late
re: Bernard Brown
(11/27/2025)

The Desert Ship Sailed In Imagination
re: Ray Bradbury
(11/25/2025)

The Zapata Air Scooter Would Be Great In A Science Fiction Story
re: Robert Heinlein
(11/23/2025)

Thermostabilized Wet Meat Product (NASA Prototype)
re: Various
(11/21/2025)

Could Crystal Batteries Generate Power For Centuries?
re: Edmond Hamilton
(11/19/2025)

India Ponders Always-On Smartphone Location Tracking
re: Jack Vance
(11/17/2025)

Amazon Will Send You Heinlein's Knockdown Cabin
re: Robert Heinlein
(11/15/2025)

Is It Time To Forbid Human Driving?
re: Bernard Brown
(11/13/2025)

Replace The Smartphone With A Connected Edge Node For AI Inference
re: Raymond F. Jones
(11/11/2025)

More SF in the News

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