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"You have to budget the number of fuzzy rules you use to control a system. It turns out, you can state the optimality principle in three words: 'patch the bumps.'"
- Bart Kosko

Gravity Whip  
  A roller coaster designe to provide riders with a 'zero G' experience.  

If you think that roller coasters are extreme now, just wait.

Snakelike and faroff around the edge of the Park the Gravity Whip coiled, offering a total of thirty seconds of weightlessness via computer-designed parabolic arcs.
From Dream Park, by Larry Niven (w/S. Barnes).
Published by Ace Books in 1981
Additional resources -

Here's a bit more for today's zero G roller coaster designers to think about:

"Why redo the Whip? It's still pulling 'em in."

"...We're going to rework the Whip for total Environment. Redesign the cars, add opticals, sound, texture. We've got a dozen scripts waiting for the special effects program. Think of an 'Alice in Wonderland' where the customer really falls down the rabbit hole, or a space trip where your gravity goes out at selected moments... We're working on ways to stretch that thirty seconds of free-fall time, psychologically."

Like extreme coasters? See this article on RoboCoaster G2 - Extreme Robot Roller Coaster.

Thanks to Erik Glenn for suggesting this item.

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Additional resources:
  More Ideas and Technology from Dream Park
  More Ideas and Technology by Larry Niven (w/S. Barnes)
  Tech news articles related to Dream Park
  Tech news articles related to works by Larry Niven (w/S. Barnes)

Gravity Whip-related news articles:
  - Zero Gravity Roller Coaster Coming

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