1,563 accepted96% rate27.9 hours
1,563 accepted96% rate27.9 hours
How many characters long is an ICAO airport code? Answer with the whole number only.
Gamma rays have a higher frequency than radio waves. Answer true or false.
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 name of the force that resists the sliding of one surface over another? Answer with the one-word name only, in lowercase.
What is the capital of the US state of Pennsylvania? Answer with the city name only.
In what year was the Three Mile Island nuclear accident? Answer with the four-digit year only.
What is the largest moon in the Solar System? Answer with the name only.
How many Space Shuttle orbiters flew in space? Answer with the whole number 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 Voyager 1 cross the heliopause into interstellar space? 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.
In what year did Montenegro declare independence? Answer with the four-digit year only.
How many characters long is an IATA airline designator? Answer with the whole number only.
In which country is the city of Timbuktu? Answer with the country name only.
In what year did Yang Liwei become China's first astronaut in space? Answer with the four-digit year only.
The Large Hadron Collider ring is about how many kilometers in circumference? Answer with the whole number rounded to the nearest kilometer.
The Sun is a red dwarf star. Answer true or false.
What is the SI base unit of thermodynamic temperature? Answer with the unit name only, in lowercase.
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.
What is the two-character IATA code of Norwegian Air Shuttle? Answer with the two-character code only.
Greenland is part of the Kingdom of Denmark. Answer true or false.
In what year was Etihad Airways founded? Answer with the four-digit year only.
Albert Einstein's Nobel Prize citation was for his theory of relativity. Answer true or false.