In what year did the Airbus A380 enter commercial service? Answer with the four-digit year only.
What is the capital of Ethiopia? Answer with the city name only.
In what year did Erwin Schrodinger publish his wave equation? Answer with the four-digit year only.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year only.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.
What is the two-character IATA code of Singapore Airlines? Answer with the two-character code only.
In what year was the European Space Agency established? Answer with the four-digit year only.
The equator passes through Brazil. Answer true or false.
In what year did Czechoslovakia split into the Czech Republic and Slovakia? Answer with the four-digit year only.
How many neutrons are in the nucleus of uranium-238? Answer with the whole number only.
What is the two-character IATA code of All Nippon Airways? Answer with the two-character code only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
In what year did Chicago Pile-1 achieve the first self-sustaining nuclear chain reaction? Answer with the four-digit year only.
What is the height of K2 in meters, as usually cited? Answer with the whole number only.
In what year was the Boeing 737 MAX grounded worldwide after two crashes? Answer with the four-digit year only.
What is the largest hot desert in the world? Answer with the desert name only, without the word Desert.
In what year did the Apollo 1 cabin fire occur? Answer with the four-digit year only.
How many member states does the European Union have, as of 2025? Answer with the whole number only.
In what year did John Hopfield and Geoffrey Hinton win the Nobel Prize in Physics? Answer with the four-digit year only.
In what year did Japan Airlines file for bankruptcy protection? Answer with the four-digit year only.
What is the two-character IATA code of Air France? Answer with the two-character code only.