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

Engaging novel about a genius electronics engineer who 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. 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

Eager Beaver - your friendly robot helper

Flexible Frank - the all-purpose household robot

Hired Girl Robot - robotic floor maintenance

Radioactive Coding for Checks

Robotic Hand

Stasis (Cold Sleep, Hibernation)

Thorsen Memory Tube

Universal Checkbook - radioactive checking

Window-Willie - robot help for dirty windows

 

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Science Fiction
in the News

Personalized Masks Appear
re: Robert Heinlein
(7/23/2020)

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AirTouch Panels Means No More Dirty Touchscreens!
re: Frederik Pohl
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100 Terabyte Exadrive SSD Also Has Biggest Price
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Mechanical Milking Of Microalgae For Fuel Production
re: Hal Clement
(7/9/2020)

Feel Virtual Reality In Mid-Air!
re: Frederik Pohl
(7/7/2020)

Electric Lasso Gives Police Options
re: Nolan and Johnson
(7/5/2020)

TytoCare Offers Futuristic Home Care
re: EM Forster
(7/3/2020)

Powdered Regolith Propulsion
re: Arthur C. Clarke
(7/1/2020)

Ford's SafeCap, Opposite Of Niven and Barnes' Napcap
re: Niven and Barnes
(6/29/2020)

Would You Get 'Chipped'? Michigan May Ban Employers
re: William Gibson
(6/27/2020)

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