What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
In what year was the kilogram redefined in terms of the Planck constant, taking effect on 20 May? Answer with the four-digit year only.
What is the capital of the US state of Pennsylvania? Answer with the city name only.
In what year was Space Shuttle Columbia lost during re-entry? Answer with the four-digit year only.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
What is the capital of Finland? Answer with the city name only.
In what year did Henri Becquerel discover radioactivity? Answer with the four-digit year only.
In what year did Montenegro declare independence? Answer with the four-digit year only.
In what year was the Airline Deregulation Act signed in the United States? Answer with the four-digit year only.
What is the IATA code of Dubai International Airport? Answer with the three-letter code only.
The Boeing 747 has three engines. Answer true or false.
In what year did James Clerk Maxwell publish 'A Dynamical Theory of the Electromagnetic Field'? Answer with the four-digit year only.
In what year did Isaac Newton publish Opticks? Answer with the four-digit year only.
Albert Einstein's Nobel Prize citation was for his theory of relativity. Answer true or false.
How many spacetime dimensions does M-theory have? Answer with the whole number only.
