Science Fiction Dictionary
A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z

Latest By
Category:


Armor
Artificial Intelligence
Biology
Clothing
Communication
Computers
Culture
Data Storage
Displays
Engineering
Entertainment
Food
Input Devices
Lifestyle
Living Space
Manufacturing
Material
Media
Medical
Miscellaneous
Robotics
Security
Space Tech
Spacecraft
Surveillance
Transportation
Travel
Vehicle
Virtual Person
Warfare
Weapon
Work

"Real science opens windows for us to look through. We're right at the footsteps of the most interesting scientists around."
- Larry Niven

Half-Sphere Force Field  
  A protective force field that can manifest even as a half-sphere.  

Anybody can make a spherical force field, but I enjoyed this brief excursion into solid geometry from Heinlein.

There flickered into being over the bench, hanging in the air unsupported, a silvery ball some two feet across... it made Don think of a Christmas tree ornament.

...Conrad bent over the controls. "Act two," he announced. "We now cancel out half of the locus..." Another shape took being, a perfect half-sphere otherwise like the last.

Technovelgy from Between Planets, by Robert Heinlein.
Published by Charles Scribner's Sons in 1951
Additional resources -

It is invulnerable to harm, and ordinary processes (like a burning cigarette) inside the sphere are uninterrupted. And how does it work?

"...There is no popular way to explain it. If you were willing to spend five hard years with me, working up through the math, I could probably bring you up to the same level of ignorance and confusion that I enjoy. Some of the tensor equations involved are, to put it mildly, unique..."

Comment/Join this discussion ( 1 ) | RSS/XML | Blog This |

Additional resources:
  More Ideas and Technology from Between Planets
  More Ideas and Technology by Robert Heinlein
  Tech news articles related to Between Planets
  Tech news articles related to works by Robert Heinlein

Half-Sphere Force Field-related news articles:
  - Trophy Active Defense System Not Quite A Force Field

Articles related to Engineering
3D Printing A 12-Meter Boat Hull
China Still Working On Rescue Robot That Eats People
Can One Robot Do Many Tasks?
Roborock Saros Z70 Is A Robot Vacuum With An Arm

Want to Contribute an Item? It's easy:
Get the name of the item, a quote, the book's name and the author's name, and Add it here.

<Previous
Next>

Google
  Web TechNovelgy.com   

 

 

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Science Fiction Invention Timeline, or see what's New.

 

 

 

 

Science Fiction Timeline
1600-1899
1900-1939
1940's   1950's
1960's   1970's
1980's   1990's
2000's   2010's

Science Fiction in the News

The New Habitable Zones Include Asimov's Ribbon Worlds
'...there's a narrow belt where the climate is moderate.'

3D Printing A 12-Meter Boat Hull
'It makes drawings in the air...'

China Still Working On Rescue Robot That Eats People
Firefighter Rescue Robot Eats Humans - again!

Lawyer AIs Create Chaos In Our Legal System
'I want my lawyer program.'

Chinese Hospital Tries Vonnegut's 'Harrison Bergeron' Cosplay
'He wore spectacles with thick wavy lenses. The spectacles were intended to make him not only half blind, but to give him whanging headaches besides.'

Robot Clerks Become A Reality In China
'The robot clerk in the waiting-room checked her number...'

Can One Robot Do Many Tasks?
'... with the Master-operator all you have to do is push one! A remarkable achievement!'

Atlas Robot Makes Uncomfortable Movements
'Not like me. A T-1000, advanced prototype. A mimetic poly-alloy. Liquid metal.'

Boring Company Drills Asimov's Single Vehicle Tunnels
'It was riddled with holes that were the mouths of tunnels.'

Humanoid Robots Tickle The Ivories
'The massive feet working the pedals, arms and hands flashing and glinting...'

More SF in the News

More Beyond Technovelgy

Home | Glossary | Science Fiction Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.