In what year was sovereignty over Hong Kong transferred from the United Kingdom to China? Answer with the four-digit year only.
In what year was the first Bose-Einstein condensate produced in a laboratory? Answer with the four-digit year only.
In what year did Georg Ohm publish the law relating voltage, current and resistance? Answer with the four-digit year only.
What is the two-character IATA code of Southwest Airlines? Answer with the two-character code only.
How many characters long is an IATA airport code? Answer with the whole number only.
In what year did STS-1, the first Space Shuttle mission, launch? Answer with the four-digit year only.
In what year did Paul Dirac and Erwin Schrodinger share the Nobel Prize in Physics? Answer with the four-digit year only.
Since 2022, Boeing's global headquarters has been in which Virginia city? Answer with the city name only.
Who was the command module pilot of Apollo 11, who stayed in lunar orbit? Answer with the surname only.
What is the SI base unit of luminous intensity? Answer with the unit name only, in lowercase.
How many Earth days long is a Martian year? Answer with the whole number rounded to the nearest day.
The Boeing 787 airframe is made largely of carbon-fiber composite. Answer true or false.
How many states does Mexico have, not counting Mexico City? Answer with the whole number only.
What is the world's largest island that is not a continent? Answer with the name only.
In what year was the first Solvay Conference on physics held? Answer with the four-digit year only.
Which airline flew the first commercial Airbus A380 service, in 2007? Answer with the airline name only.
