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Technology by Letter: L

Answer these questions from the world of tech. The answers all start with L.
Quiz by eibi
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Last updated: September 13, 2018
First submittedSeptember 13, 2018
Times taken11
Average score56.3%
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Hint
Answer
Edison's brightest invention
Light bulb
More energy-efficient means of illumination
Light-emitting diode (LED)
A train's engine car
Locomotive
Computer screen technology using polarization
Liquid-crystal display (LCD)
Curved piece of glass with a focus
Lens
Coherent light beam
Laser
Prevents a door from being opened
Lock
Tool to express online approval
Like button
Open-source operating system
Linux
Maritime navigational aid
Lighthouse
Sturdy skin product
Leather
Weaving the warp and the weft
Loom
Substance to keep anything at -196°C/-320°F/77K
Liquid nitrogen
Substance used to reduce friction
Lubricant
Portable computer
Laptop
Battery type often used for portable electronics
Lithium-ion battery
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