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"Tokyo homeless people reiterate the whole nature of living in Tokyo in cardboard boxes, they're only slightly smaller than Tokyo apartments, and they have almost as many consumer goods. It's a nightmare of boxes within boxes."
- William Gibson
 |
| Martian Iceboat | ||
| When the open water on your planet has frozen all the way to the bottom, you need to travel on ice. |
I enjoyed iceboating on the surface (!) of frozen lakes in Michigan as a teenager. It's fun to travel at four times the speed on a lake you're used to water sailing on; just be sure to wear your helmet and your pads in case you capsize.
| The next morning the iceboat runs over ice that is mostly white, but in some patches clear and transparent right down to the shallow seafloor. Other patches are the color of brick, with the texture of brick, and the boat’s runners clatter over little dunes of gravel and dust. If they hit melt ponds the boat slows abruptly and shoots great wings of water to the sides. At the other side of these ponds the runners scritch again like ice skates as they accelerate back up to speed. Roger’s iceboat is a scooter, he explains to them; not like the spidery skeletal thing that Eileen was expecting, having seen some of that kind down in Chryse — those Roger calls DNs. This is more like an ordinary boat, long, broad, and low, with several parallel runners nailed fore-and-aft to its hull. “Better over rough ice,” Roger explains, “and it floats if you happen to hit water.” The sail is like a big bird’s wing extended over them, sail and mast all melded together into one object, shifting shape with every gust to catch as much wind as it can.
 (Iceboat from 'A Martian Romance' by Kim Stanley Robinson) “What keeps us from tipping over?” Arnold asks, looking over the lee rail at the flashing ice just feet below him. “Nothing.” The deck is at a good cant, and Roger is grinning. “Nothing?” “The laws of physics.” “Come on.” ‘When the boat tips the sail catches less wind, both because it’s tilted and because it reads the tilt, and reefs in. Also we have a lot of ballast. And there are weights in the deck that are held magnetically on the windward side. It’s like having a heavy crew sitting on the windward rail.” “That’s not nothing,” Eileen protests. “That’s three things.” “True. And we may still tip over. But if we do we can always get out and pull it back upright.” |
| Technovelgy from A Martian Romance,
by Kim Stanley Robinson. Published by Asimov's in 1999 Additional resources -
|
This excerpt gives you more details and the flavor of iceboating - on Mars:
They sit in the cockpit and look up at the sail, or ahead at the ice. The iceboat’s navigation steers them away from the rottenest patches, spotted from satellites, and so the automatic pilot changes their course frequently, and they shift around the cockpit when necessary. Floury patches slow them the most, and over these the boat sometimes decelerates pretty quickly, throwing the unprepared forward into the shoulder of the person sitting next to them. Eileen is banged into by Hans and Frances more than once; like her, they have never been on iceboats before, and their eyes are round at the speeds it achieves during strong gusts over smooth ice. Hans speculates that the sandy patches mark old pressure ridges, which stood like long stegosaur backs until the winds ablated them entirely away, leaving their load of sand and silt behind on the flattened ice. Roger nods. In truth the whole ocean surface is blowing away on the wind, with whatever sticks up going the fastest; and the ocean is now frozen to the bottom, so that no new pressure ridges are being raised. Soon the whole ocean will be as flat as a table top.
(The iceboat from 'A Martian Romance' by Kim Stanley Robinson)
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