1,314 accepted99% rate24.8 hours
1,314 accepted99% rate24.8 hours
Greenland is part of the Kingdom of Denmark. Answer true or false.
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.
What is the largest country in the world by area? Answer with the country name only.
How many astronauts flew on Apollo 11? Answer with the whole number only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number only.
How many engines did the McDonnell Douglas DC-10 have? Answer with the whole number only.
What is the two-character IATA code of Etihad Airways? Answer with the two-character code only.
How many states does Australia have, not counting its territories? Answer with the whole number only.
What is the two-character IATA code of Lufthansa? Answer with the two-character code only.
Whose constant, symbol h, relates a photon's energy to its frequency? Answer with the surname only.
How many planets in the Solar System have ring systems? Answer with the whole number only.
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
Which airline alliance does British Airways belong to? Answer with the alliance's full name.
What is the two-character IATA code of China Eastern Airlines? Answer with the two-character code only.
Which particle carries the electromagnetic force? Answer with the particle name only, in lowercase.
Australia is both a country and a continent. Answer true or false.
In what year did Pierre Agostini, Ferenc Krausz and Anne L'Huillier win the Nobel Prize in Physics for attosecond light pulses? Answer with the four-digit year only.
In what year was Ivy Mike, the first full-scale hydrogen bomb test, detonated? Answer with the four-digit year only.
What is the SI unit of magnetic flux? Answer with the unit name only, in lowercase.
What is the capital of Ethiopia? Answer with the city name only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
How many natural moons does Mars have? Answer with the whole number only.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year only.
In what year did Japan Airlines Flight 123 crash, the deadliest single-aircraft accident? Answer with the four-digit year only.