From: Stephen Burton Mann <smann@??.com> Date: Mon, 22 Aug 1994 01:52:47 -0400 Subject: Re: What is a ringworld?
The Ringworld was created in a 2-book story by Larry Niven. The Ringworld was built a human-type race called the Pak. All the material in that solar system (and possibly other systems) was used to create a ribbon. Consider a ribbon joined so that it makes a loop. This loop is approximately a million miles wide and several miles thick, and is constructed out of a supermetal able to hold together as the loop spins fast enough to generate 1G on the inside of the loop. Mountainns one thousand miles tall form walls at the inside edges of the loop. These mountain walls prevent the loop's atmosphere from spilling off the edge. Consider this huge ribbon, a million miles wide, and long enough to make a loop with a radius of 93 million miles. The inside of the loop has an atmosphere, and a surface area many, many, many, MANY times that of Earth. In fact, there is an ocean somewhere on the Ringworld where there is a 1:1 copy of the Earth (continents) right next to copies of Mars and several other inhabited planets. ALL IN THE SAME OCEAN! The Ringworld was originally inhabited by Pak breeders, but they eventuall evolved into various human sub-breeds. A superconductor-eating virus destroyed the civilization that dominated this world. The 2 books take place long after the civilization collapses, and concerns several beings from Known Space who find and explore (somewhat) the Ringworld. These books are quite good and are considered classics: _Ringworld_, and _Ringworld Engineers_. ============================================================================== Stephen Mann smann@??.com ==============================================================================
|What is a ringworld?||Stephen Burton Mann|
|Re: What is a ringworld?||Michael Sandy|