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% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Sci-fi device 11 letters:

TRACTORBEAM: Sci-fi device
LASERS: Parts of many sci-fi devices
SHRINKRAY: Sci-fi device
TIMEMACHINES: Sci-fi devices
TELEPORTER: Sci-fi device
TIMESLIPS: Plot devices for sci-fi travelers
POD: Sci-fi escape device
ORB: Divining device, in sci-fi