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 lifting mechanism did Leonardo da Vinci design with a screw to raise heavy loads?
Answer
Screw jack
What measuring device did Leonardo da Vinci design to record the distance traveled by a cart?
Answer
Odometer
What mechanical component did Leonardo da Vinci draw using balls to reduce friction between moving parts?
Answer
Ball bearing
What waterway device did Leonardo da Vinci design to control changing water levels?
Answer
Canal lock
What safety device did Leonardo da Vinci sketch as a pyramid-shaped parachute?
Answer
Parachute
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 humanoid machine did Leonardo da Vinci design for a Milan court pageant?
Answer
Robotic knight
What instrument combining a keyboard and bowed strings did Leonardo da Vinci invent?
Answer
Viola organista
What self-moving machine did Leonardo da Vinci design around 1478?
Answer
Self-propelled cart
What Leonardo da Vinci design used a helical rotor to rise into the air?
Answer
Aerial screw