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

 

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

Flatcat Robot Recalls Both Heinlein And Simak
re: Robert Heinlein
(2/19/2021)

Nuclear Batteries May Pack Inner Punch
re: Edmond Hamilton
(2/17/2021)

Elon Musk STILL Wants To Make Heinlein's 1940's Speedster
re: Robert Heinlein
(2/15/2021)

Mercury Capsule Ablative Shielding
re: EE 'Doc' Smith
(2/13/2021)

Heinlein And Russian Quail In Orbit
re: Robert Heinlein
(2/11/2021)

Listen Up, Coppertop - Wearable Device Turns You Into A Battery
re: Wachowskis
(2/9/2021)

Solar Powered Robot Cleans Up Solar Panels For Free
re: Arthur C. Clarke
(2/7/2021)

Spot Arm From Boston Dynamics Picks Up Like Heinlein's Hired Girl Robot
re: Robert Heinlein
(2/5/2021)

Electric Vehicle Prices Will Drop To $2,890
re: Niven and Pournelle
(2/3/2021)

TIGER Ultimate Mobility Vehicle From Hyundai
re: Anthony Boucher
(2/1/2021)

Drones Communicate With Each Other Using Quantum Encryption
re: Frederik Pohl
(1/29/2021)

Space Construction Tools For Large Structures By OAC
re: Arthur C. Clarke
(1/27/2021)

SpinCare Electrospins And Shoots Wound Dressing
re: Philip K. Dick
(1/25/2021)

Tesla Model S And X Moves Toward KITT Knight Rider Styling
re: Various
(1/23/2021)

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.