The well runs deep
Trivia questions and answers, drawn fresh from the well
239,757 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.
239,757
Questions with answers
1,818
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
What rolling component did Leonardo da Vinci sketch to reduce friction between moving parts?
Answer
Ball bearing
What mechanical device did Leonardo da Vinci design to lift heavy loads using a screw mechanism?
Answer
Screw jack
What aircraft did Leonardo da Vinci sketch with wings flapping like a bird’s?
Answer
Ornithopter
What mechanical humanoid did Leonardo da Vinci design for a 1495 court performance?
Answer
Robot knight
What type of protective suit did Leonardo da Vinci sketch for divers exploring underwater?
Answer
Diving suit
0 / 5
Round complete
239,757 trivia questions
Every question has an answer
1,818 public topics
Something for every quiz
Free to explore
Reveal answers at your own pace
Fresh from the well
Latest trivia questions
What Leonardo da Vinci instrument used gears to add numbers mechanically?
Answer
Mechanical calculator
What wheeled machine did Leonardo da Vinci design to move without being pushed by animals?
Answer
Self-propelled cart
Who played strings on Taylor Swift’s “august”?
Answer
Bobby Hawk
Which Los Angeles studio is credited on Taylor Swift’s song “august”?
Answer
Kitty Committee