Evolution of technological development. Play The History of Technology trivia solo to sharpen your knowledge, or challenge a friend head-to-head in Trivia Tango — every question comes with an explanation so you learn as you play. Questions span every level, from easy warm-ups to expert-level stumpers, so there's a real challenge here however much you already know.
A mix of easy, medium and hard — questions run from warm-up to expert, so there's a real challenge at every level. Think you know the answers? Play to find out.
Brothers Orville and Wilbur achieved the first powered flight at Kitty Hawk in 1903 using this type of vehicle.
Difficulty: EasyThe Haber-Bosch process, developed in the early 1900s, enabled mass production of this compound essential for both agriculture and explosives.
Difficulty: MediumThe Mergenthaler Linotype's most ingenious feature was its spacebands that automatically justified text by expanding to fill this dimension uniformly.
Difficulty: HardThomas Edison's laboratory produced the first practical version of this device that provides artificial illumination in 1879.
Difficulty: EasyDouglas Engelbart's 1968 demonstration, nicknamed "The Mother of All Demos," introduced this pointing device along with hypertext and video conferencing.
Difficulty: MediumHarrison's marine chronometers were tested on voyages to this Caribbean island, chosen because its longitude was precisely known.
Difficulty: HardThis round object, considered one of humanity's most important inventions, first appeared in Mesopotamia around 3500 BCE.
Difficulty: EasyBlaise Pascal invented the Pascaline in 1642, an early mechanical device designed to perform this mathematical operation automatically.
Difficulty: Medium