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"Science fiction is the very literature of change. In fact, it is the only such literature we have."
- Frederik Pohl
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| 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..."
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and Technology from Between Planets
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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
| Can 'Tactical Umbrellas' Shield One From Drones |
| Chinese Aircar Light And Airy, Not For Blade Runners |
| The Morphing Wheel And The Smartwheel |
| Transporting Antimatter |
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'Does thinking you're the last sane man on the face of the Earth make you crazy?'
'It hurtled on down with inconceivable speed until it was visible as thousands of tiny robot planes...'
'Then she looked up with a smile and moved closer to the camera.'
'... folios and tapes and playable discs of platinum alloy.'
'... another corner of his mind began to think about the shields.'
'Michel Ardan, as a Frenchman, was declared chief cook, an important function, which raised no rival.'
