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Which airport handled the most passengers in the world in 2024? Answer with the city name only.
In what year did South Sudan become independent? Answer with the four-digit year only.
In what year did the Tenerife airport disaster, the deadliest accident in aviation history, occur? Answer with the four-digit year only.
What was the name of the Soviet and Russian space station that was deorbited in 2001? Answer with the name only.
In what year did Alitalia stop flying and hand over to ITA Airways? Answer with the four-digit year only.
Who discovered the neutron in 1932? Answer with the surname only.
How many engines does the Boeing 777 have? Answer with the whole number only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
How many Nobel Prizes in Physics did John Bardeen win? Answer with the whole number only.
In which country is Angel Falls, the world's highest uninterrupted waterfall? Answer with the country name only.
What is the capital of Vietnam? Answer with the city name only.
In what year did Fermilab announce the discovery of the top quark? Answer with the four-digit year only.
In what year did Alessandro Volta announce the voltaic pile, the first electric battery? Answer with the four-digit year only.
In what year did the Boeing 747 enter commercial service? Answer with the four-digit year only.
Bolivia is landlocked. Answer true or false.
What is the standard mains frequency of the electricity grid in continental Europe, in hertz? Answer with the whole number only.
In what year did the Airbus A320 enter commercial service? Answer with the four-digit year only.
In what year did SpaceX fly astronauts for the first time, on the Demo-2 mission? Answer with the four-digit year only.
In what year did Pan American World Airways cease operations? Answer with the four-digit year only.
In what year did Air Berlin cease operations? Answer with the four-digit year only.
Who commanded Apollo 13? Answer with the surname only.
Which European country occupies most of the Jutland peninsula? Answer with the country name only.
Who discovered radioactivity in 1896? Answer with the surname only.
What is the two-character IATA code of Swiss International Air Lines? Answer with the two-character code only.
In what year did Kazakhstan move its capital from Almaty to Astana? Answer with the four-digit year only.