The Door Into Summer by Robert Heinlein:
Science Fiction Inventions, Technology and Ideas

A genius electronics engineer creates general purpose robots for everyone to use. A greedy business partner and faithless fiancee trick him into cold sleep - not realizing that the future holds a way to help him get back at them.


('Door into Summer' by Robert Heinlein)

A careful reading of this novel provides insight into the character of the Heinlein Individual; a self-reliant American with a very particular set of values. Select an invention:

Drafting Dan - born before CAD
The first computer software drafting program (Computer Aided Design - CAD).

Eager Beaver - your friendly robot helper
Your friendly robot helper.

Flexible Frank - the all-purpose household robot
An all-purpose household robot.

Hired Girl Robot - robotic floor maintenance
The amazing floor-cleaning robot!

Radioactive Coding for Checks
Special coding system to easily recognize checks.

Robotic Hand
A dexterous manipulator for robots.

Stasis (Cold Sleep, Hibernation)
Hibernation for human beings, lasting for many years.

Thorsen Memory Tube
Computer component that allows a machine to learn through experience.

Universal Checkbook - radioactive checking
Fully electronic banking system, which allows easy withdrawal of funds from any bank.

Window-Willie - robot help for dirty windows
A robot that cleaned windows by electrostatic repulsion of dust and grime.

 

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

Tiny Flying Robot Weighs Just One Gram
re: Neal Stephenson
(3/7/2025)

Some Ringworld Configurations Are Stable
re: Larry Niven
(3/5/2025)

TRANSFORM Dynamic Furniture Concept Becomes What You Need
re: Larry Niven
(3/3/2025)

Harvard Metamaterials Change Structure Instantly
re: Samuel R. Delany
(3/1/2025)

SnapBot Robots - You Choose Their Legs And They Choose Their Gaits
re: Milton K Smith
(2/27/2025)

Dino From Magical Toys An AI Companion To Children
re: Anne McCaffrey
(2/25/2025)

Humanoid Robots Building Humanoid Robots
re: Isaac Asimov
(2/23/2025)

Darpa 'Defiant' Unmanned Autonomous Ship
re: Miles J. Breuer
(2/21/2025)

What's The Best Way To Ship And Unpack Humanoid Robots?
re: Elizabeth Bellamy
(2/19/2025)

DNA Printed Book By Isaac Asimov Now Available
re: Barbara Hambly
(2/17/2025)

AI Computer Chip Designs Passeth Human Understanding
re: Isaac Asimov
(2/15/2025)

Space Traffic Management (STM) Needed Now
re: Arthur William Bernal
(2/13/2025)

Fine-Tune Your Infinite Book The Way You Want It
re: Clifford Simak
(2/11/2025)

SpiRobs Soft Spiral Robotic Arm
re: HG Wells
(2/9/2025)

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.