Inventions & Inventors Quiz — 10 Free Questions

Question 1

Which company turned a 'failed', barely-sticky adhesive into a bestselling product in 1980, after one of its chemists spent years promoting the weak glue and a colleague used it to hold bookmarks in his church choir hymnal?

Question 2

Which DuPont chemist led the team that in 1935 created the first fully synthetic fibre, a strong silky polymer drawn into fine threads, shown to the public in women's stockings in 1939 and then turned over to parachutes and rope for the war?

Question 3

Which American spent years and his family's savings hunting for a way to stop natural rubber turning sticky in summer and brittle in winter, then stumbled on the answer around 1839 when a lump mixed with sulphur fell on a hot stove and charred like leather instead of melting?

Question 4

Which Royal Air Force officer patented the turbojet in 1930 and bench-ran a working one in 1937, an engine in which a spinning compressor rams in air, fuel burns, and the hot exhaust spins a turbine and thrusts the machine forward, unaware a German engineer was chasing the same idea and would fly first?

Question 5

Who demonstrated in 1947 a camera that developed its own picture inside itself, handing over a finished photograph about a minute after the shutter clicked, an idea prompted by his young daughter asking why she could not see a snapshot straight away?

Question 6

Who flew the first practical helicopter in 1939, settling on one big lifting rotor overhead and a small sideways rotor on the tail to stop the body spinning, an arrangement still standard today, decades after he had built large aircraft on the other side of the world?

Question 7

Who reassured a doubtful crowd in 1854 by riding an open hoist platform high into the air and ordering the rope cut, at which a spring-loaded catch bit into toothed guide rails and held the platform still, a safety device that made tall buildings practical to live and work in?

Question 8

Who unveiled in 1804 a loom attachment that stored a fabric's pattern as a chain of stiff cards punched with holes, letting a single weaver produce figured silk that had needed a boy pulling threads by hand, an idea later borrowed for calculating machines?

Question 9

Who created the first fully synthetic plastic in 1907, a hard, heat-proof, electrically insulating resin made by driving phenol and formaldehyde together under heat and pressure, soon moulded into telephone bodies, radio cabinets, door handles and costume jewellery?

Question 10

Which country refined papermaking into a repeatable craft around AD 105, when a court official pulped tree bark, hemp waste, old rags and worn fishing nets into thin, even sheets, a technique then guarded as a state secret for centuries before it spread west?

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About Inventions & Inventors

An invention is the moment a want becomes a working thing. Somebody is annoyed that letters take weeks, that light means a candle, that surgery means being held down, and after a long stretch of tinkering, borrowing and failing, an object exists that did not exist before, and daily life quietly reorganises itself around it. The popular picture of a lone genius and a flash of insight is mostly a myth. Real inventions tend to arrive from several directions at once, lean on a stack of earlier work, and only look inevitable in hindsight.

This quiz runs across the whole span of that effort: communication, from the telegraph and telephone to the transistor and the integrated circuit; power and transport, from the steam engine and the electric battery to the bicycle and the pneumatic tyre; medicine, from anaesthesia to antiseptics; and materials, from vulcanised rubber to the first fully synthetic plastic. It also steps outside the usual Western list to take in paper and the decimal system with its number zero, two inventions without which almost none of the rest could have been written down or calculated.

Two traps come with the territory, and the answers try to handle both honestly. The first is disputed priority. The telephone, the light bulb, the integrated circuit, the sewing machine and the air-filled tyre each had two or more people arriving at nearly the same place at nearly the same time, and the name history keeps is often the one who patented, published or promoted first, not the one who was strictly earliest. Where a claim is genuinely contested, the explanation says so and names the rival. The second trap is the lone-inventor myth: many of these breakthroughs were the work of teams, backers and assistants whose names were left off the patent, and the answers put some of them back.

Each question describes an invention and the story around it without naming the person, country or thing responsible, and gives you four choices. The explanation then fills in the date, how the thing actually worked, who came a close second, what made it finally practical, and what it changed. Where a freely licensed photograph exists that shows the object or the setting but not the inventor's face, it is shown with the question; where the object itself would give the game away, the question is left as text.

The reason an inventions quiz sticks in the memory is that every answer is something you can hold in your hand or picture on a bench: a stack of metal discs, a bamboo thread glowing in a glass bulb, a ball rolling in the tip of a pen. Learn who built the first of each, and who nearly beat them to it, and you are also learning the shape of how a whole field moved from impossible to ordinary. The wording is kept plain, and every claim has been checked against reliable sources.