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"I went back to science fiction to try a few experiments …and my first experiment was a disaster…"
- Alfred Bester
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| Time Capsule | ||
| A hollow block of metal, impervious to the elements, used by time travelers to send messages to the future. |
Most time capsules were tossed in the ocean, apparently, then recovered (on the average) about 100,000 years later. They were then kept in the "Post Office" for as many centuries as were necessary.
| We use the Fed to house the vault somebody nicknamed the "Post Office" many years ago, no doubt because the vault is clogged with packages that are not delivered for years or centuries. The Post Office is one of those weird side-effects of time travel. It proves once more that paradoxes are possible, though only strictly limited ones. .. A time capsule is a block of very tough metal about the size of a brick. ..On the outside of the brick is a name and a date: "For __________. Do not open until _________." …Under no circumstances has one ever been opened before its time. .. Time travel is so dangerous it makes H-bombs seem like perfectly safe gifts for children and imbeciles. |
| From Millenium,
by John Varley. Published by Berkley Books in 1983 Additional resources -
|
The danger arises from the paradoxes of time travel; too many alterations in the past can disrupt the present; the timestream is described in this novel as being somewhat flexible, but not very. For example, if you went back in time, and took a can from a stack in the grocery store back to the future, there would be little disruption, despite the fact that a change was made. If you went back to the past and saved JFK, on the other hand, you would change everything.
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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 Invention Timeline, or see what's New.
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Okay, sf fans. If you could have some art created from a science fiction sentence, what sentence would you pick?
'There were the cleaners, with large padded feet, who were apparently polishing their way the whole length...'
It's fascinating to me how the Apollo program forced people to think outside their usual boxes.
'Some will combine in place to form more complicated structures, like excavators or centipedes.'
'the hair-fine wire going deep into Owen's brain, down into the pleasure center.'
'There was a dim whirring, and the spheres tipped and began to rotate...'
'The houses are prefabricated units... and they sell at the flat rate of five hundred dollars a room — set up.'
