a laser

Technology Science 4 of 4 appearances
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# Clue Answer As Given Value Round Category Air Date Show
Pumping is the process of raising electrons to a higher energy state when creating one of these beams a laser $1,200 DJ TECHNOLOGY 2021-10-08 #8485
(Jimmy of the Clue Crew reports with robot "Grace" at Carnegie-Mellon University in Pittsburgh.) One of the ways Grace avoids obstacles is by scanning with this narrow beam of light laser $1,200 DJ SCIENCE & TECHNOLOGY 2004-04-23 #4530
First built in 1960, it's also been called an optical maser laser $500 J TECHNOLOGY 1993-06-29 #2047
Philips, a Dutch company, invented the disc "read" not by a needle but by one of these a laser $600 DJ TECHNOLOGY 1988-02-25 #809
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