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.

 

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