Science and SF Glossary ~ K - O


A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

~U~

universe
1. the entire celestial cosmos
2. an aggregate of stars comparable to the Galaxy
uplift
a process that provides betterment of the spiritual, social and intellectual condition.
SF
1. improvement of the intellectual condition and abilities of another species.
2. the breeding and genetic engineering by which older spacefarer races bring new species into the space culture. [especially in works by Brin]

~V~

virtual reality (VR, V-real)
an artificial environment experienced through sensory stimuli (sights and sounds) provided by a computer, and in which one's actions partially determine what happens in that environment.

~W~

waldo
SF - from R. A. Heinlien's book of the same name A telefactoring device
A mechanical agent, such as a gripper arm, controlled by a human limb
warp drive
SF - the propulsion system that creates the curvatures necessary for warp speed
warp speed
time-space curvatures that allow faster-than-light travel
wormhole
a hypothetical structure of space-time envisioned as a long tunnel connecting points that are separated in space and time.

~X~

NO WORDS YET

~Y~

YBP (abbreviation)
Years Before Present
YORP (short for Yarkovsky, O'Keefe, Radzievskii and Paddack--the scientists who developed the theory) effect
influence of sunlight on the spin of asteroids.

~Z~

NO WORDS YET

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