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"I long ago realized that I could reach far more people by writing something, than by walking down the street with a banner."
- John Brunner
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| Magsail | ||
| An interplanetary craft that uses magnetic fields to catch the solar winds for propulsion. |
| "How fast will this thing go?" the rigger wondered.
"Depends on current density, orientation, and a bunch of other factors programmed into the RAM pins here." He flourished the goat-case, careful not to shake it. "If you're sailing large before the wind, your acceleration is about a thousandth of a gee." "That don' sound so fast, friend." Jimmy grinned, having said almost the same thing to Hobie last year. "Not compared to an SSTO main engine, right. Get a couple of gees squashing your bag during a lift, right? The sail gives a gentler push, but it keeps on pushing. You don't run out of fuel unless the sun goes out; in which case fuel is not your major concern. Bottom line is: a magsail can get you to Mars in about the same time it took the Mayflower to cross the Atlantic." |
| Technovelgy from Falling Stars,
by Michael Flynn. Published by Tor in 1998 Additional resources -
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'The observation vehicle was of that peculiar variety used in conveying a large number of people across rough terrain.'
'The real border was defended by... a swarm of quasi-independent aerostats.'
'I ... set my automatic astronomical instruments to searching for a habitable planet.'
'...haven't you a section of the factory where only robot labor is employed?'
'... oblongs were all over the floor and surfaces.'
