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"in 1974 I experienced an invasion of my mind by a transcendentally rational mind, as if I had been insane all my life and suddenly I had become sane."
- Philip K. Dick
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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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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
| Climate Engineering In California Could Make Europe's Heat Waves Worse |
| Textiles That Harvest Energy And Store It |
| Coin-Sized Nuclear Battery Good For 100 Years |
| The FLUTE Project - A Huge Liquid Mirror In Space |
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'What would you do,' Eric asked the robot cabdriver, 'if your wife had turned to stone, your best friend were a toad, and you had lost your job?'
'those suits they wear -- call them 'stillsuits' -- that reclaim the body's own water...'
'Now, except for weight and heat, the same conditions prevail in this chamber as in space.'
'there were so many worms and counterworms loose in the data-net...'
'Now, look, let's start with the three fundamental Rules of Robotics...'
'..the synthetic intellects at the Place of Knowledge had far outstripped the minds of men.'
'But after washing and drying clothes had to be smooth - free from fine lines and wrinkles ...'
