Hint | Answer | % Correct |
---|---|---|
Portable computer | Laptop | 89%
|
Edison's brightest invention | Light bulb | 89%
|
Prevents a door from being opened | Lock | 89%
|
Battery type often used for portable electronics | Lithium-ion battery | 84%
|
Open-source operating system | Linux | 79%
|
Substance used to reduce friction | Lubricant | 79%
|
Coherent light beam | Laser | 68%
|
More energy-efficient means of illumination | Light-emitting diode (LED) | 68%
|
Curved piece of glass with a focus | Lens | 63%
|
A train's engine car | Locomotive | 58%
|
Computer screen technology using polarization | Liquid-crystal display (LCD) | 47%
|
Substance to keep anything at -196°C/-320°F/77K | Liquid nitrogen | 37%
|
Weaving the warp and the weft | Loom | 37%
|
Sturdy skin product | Leather | 21%
|
Maritime navigational aid | Lighthouse | 16%
|
Tool to express online approval | Like button | 11%
|