About Inventions and Inventors Quiz #838
Inventions and Inventors Quiz #838 was the quiz for Sunday, October 18, 2026: 10 questions: 2 easy, 4 medium and 4 hard. Everyone who played Inventions and Inventors Quiz that day got the same quiz, and it stays here to play for 60 days.
The questions of Inventions and Inventors Quiz #838
- Which ancient counting tool uses beads on rods?
- Which of these is credited to Louis Braille?
- Which of these is credited to Charles Goodyear?
- Which symbol did Ray Tomlinson choose to separate names in email addresses?
- Which of these is credited to Willis Carrier?
- Which of these is credited to Eli Whitney?
- Who is credited with inventing the first commercially successful dishwasher?
- Who is credited with inventing the hook-and-loop fastener?
- Which Canadian is credited with inventing the walkie-talkie radio in the late 1930s?
- Which Canadian computer scientist created the Java programming language?
The answer options and the answers appear only when you play the quiz, one question at a time.
New to Inventions and Inventors Quiz? The rules, tips and common questions are on the Inventions and Inventors Quiz page.
Other days of Inventions and Inventors Quiz
- Inventions and Inventors Quiz #841, Oct 21
- Inventions and Inventors Quiz #840, Oct 20
- Inventions and Inventors Quiz #839, Oct 19
- Inventions and Inventors Quiz #837, Oct 17
- Inventions and Inventors Quiz #836, Oct 16
- Inventions and Inventors Quiz #835, Oct 15
- Today’s quiz, #851
Every day of the last 60 is in the puzzle archive.