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LEONARDO DA VINCI SYNDROME: Creative people often get more ideas and visions faster than they can implement them, making them unable to complete a project before rushing off to the next (like Leonardo da Vinci).

LINDE SCENARIO: A scenario for indefinite survival of intelligent life. It assumes it is possible to either create basement universes connected to the original universe with a wormhole or the existence of other cosmological domains. Intelligent life continually migrates to the new domains as the old grow too entropic to sustain life. [Mitch Porter, 1997. The name refers to Linde's chaotic inflation cosmology, where new universes are continually spawned.] See The Linde scenario, v0.01

LIQUIDENTITY: See fluidentity.

LOFSTROM LOOP: An beanstalk-like megaconstruction based on a stream of magnetically accelerated bars linked together. The stream is sent into space, where a station rides it using magnetic hooks, redirects it horizontally to another station, which sends it downwards to a receiving station on the ground. From this station the stream is then sent back to the launch station (a purely vertical version is called a space fountain). This structure would contain a large amount of kinetic energy but could be built gradually and would only require enough energy to compensate for losses when finished. Elevators could be run along the streams, and geostationary installations could be placed along the horizontal top. [Named after Keith Lofstrom, who did the first detailed calculations on it in: Lofstrom, Keith H., "The launch loop -- a low cost Earth-to-high orbit launch system," AIAA Paper 85-1368, 1985 ].

LONGEVIST: A person who seeks to extend their life beyond current norms (but who may not wish to live forever) [Max More, Extropy #10].


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Anders Sandberg / asa@nada.kth.se
2000-03-11