- What landmark invention did Ts'ai Lun invent from bark and hemp 
 in the second century?
 
- What did "Art Fry invent after scraps of paper to mark tunes 
 in his hymnal kept falling out?
 
- What did Leonardo invent to check humidity while he worked on 
 the Last Supper fresco?
 
- What country was the first to register a patent on polyester?
 
- What "foot doctor" held over 300 patents?
 
- What 1947 invention by Bell Telephone Laboratories spawned 
 pocket-sized radios?
 
- What disease prompted polio vaccine inventor Dr. Jonas Salk to 
 come out of retirement in 1987?
 
- What was the occupation of cotton candy machine inventor 
 William James Morrison?
 
- What Italian astronomer invented the thermometer in 
 1592?
 
- What did George Nisser invent after observing high wire 
 performers bouncing on safety nets?
 
- What century saw the invention of the shoelace?
 
- What name did George Eastman invent in 1888 because it 
 was easy to memorize, pronounce, and spell?
 
- What innovative inventor's Dymaaxion car could carry eleven 
 passengers, exceed 120 mph and get 30 miles per gallon in 1934?
 
- What type of structure did R. Buckminster Fuller patent in 
 1954?
 
- What century saw Alexander Cummings issued the first 
 patent for a flush toilet?
 
- What portable device did James Spengler invent in 1907, using 
 a soap box, pillow case, a fan and tape?
 
- What landmark invention eased farming chores for 
 Sumerians in 3500 B.C.?
 
- What food product did Hyppolyte Merge-mouries invent in 
 1868 by treating oils with hydrogen?
 
- What British second lieutenant got the idea to fill a canister 
 shell with musket balls and a charge of gunpowder?
 
- Who averaged one patent for every three weeks of his 
 life?
 
- What kitchen invention took the top prize at the 1893 Chicago 
 World's Fair?
 
- What company gave the world the first electric 
 toothbrush?
 
- What Edwin Budding invention began changing the face of 
 English landscapes in the 1820s?
 
- What invention for keeping cold air out of buildings in winter 
 was patented by Theophilus Van Kannel in 1888?
 
- What Benjamin Holt invention was good news to farmers in 1900?
 
Invention Trivia.
- Paper.
- Post-it Notes.
- The hygrometer.
- Briton.
- Dr. Scholl.
- The transistor.
- AIDS.
- Dentist.
- Galileo.
- The trampoline.
- The eighteenth.
- Kodak.
- Buckminster Fuller's.
- The geodesic dome.
- The eighteenth.
- The vacuum cleaner.
- The plow.
- Margarine.
- Sir Henry Shrapnel.
- Thomas Edison.
- The dishwasher.
- Interplak.
- The lawn mower.
- The revolving door.
- The Tractor.
