The well runs deep
Trivia questions and answers, drawn fresh from the well
205,101 public questions across 1,818 topics. Challenge yourself, or build the perfect quiz for game night.
205,101
Questions with answers
1,818
Topics to explore
3
Depths of difficulty
Today at the well
1 / 5 0
What mechanical device did Leonardo da Vinci design using small metal balls to reduce friction?
Answer
Ball bearing
What modern vehicle is Leonardo da Vinci’s armored fighting-machine sketch commonly called?
Answer
Tank
What term describes Leonardo da Vinci’s human-powered flying machine with flapping wings?
Answer
Ornithopter
What name is given to Leonardo da Vinci’s self-moving cart design?
Answer
Self-propelled cart
What name is given to Leonardo da Vinci’s mechanical warrior?
Answer
Leonardo’s robot
0 / 5
Round complete
205,101 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 name is given to Leonardo da Vinci’s self-moving cart design?
Answer
Self-propelled cart
What name is given to Leonardo da Vinci’s mechanical warrior?
Answer
Leonardo’s robot
What was Leonardo da Vinci’s rotating-air invention commonly called?
Answer
Aerial screw