Hint | Answer | % Correct |
---|---|---|
Portable computer | Laptop | 93%
|
Prevents a door from being opened | Lock | 93%
|
Edison's brightest invention | Light bulb | 86%
|
Open-source operating system | Linux | 86%
|
Battery type often used for portable electronics | Lithium-ion battery | 86%
|
Coherent light beam | Laser | 71%
|
Substance used to reduce friction | Lubricant | 71%
|
More energy-efficient means of illumination | Light-emitting diode (LED) | 64%
|
Curved piece of glass with a focus | Lens | 57%
|
A train's engine car | Locomotive | 57%
|
Computer screen technology using polarization | Liquid-crystal display (LCD) | 50%
|
Substance to keep anything at -196°C/-320°F/77K | Liquid nitrogen | 43%
|
Weaving the warp and the weft | Loom | 36%
|
Sturdy skin product | Leather | 21%
|
Maritime navigational aid | Lighthouse | 14%
|
Tool to express online approval | Like button | 7%
|
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