482 accepted98% rate19.0 hours
482 accepted98% rate19.0 hours
What is the SI unit of electrical resistance? Answer with the unit name only, in lowercase.
Which founder of Blue Origin also founded Amazon? Answer with the surname only.
How many sovereign countries are there in South America? Answer with the whole number only.
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 largest moon in the Solar System? Answer with the name only.
The Airbus A380 has two full-length passenger decks. Answer true or false.
In what year did Concorde enter commercial service? Answer with the four-digit year only.
How many letters long is an ICAO airline designator? Answer with the whole number only.
The Boeing 747 has three engines. Answer true or false.
In what year was Zarya, the first module of the International Space Station, launched? Answer with the four-digit year only.
Venus is the hottest planet in the Solar System. Answer true or false.
In what year was KLM founded? Answer with the four-digit year only.
How many flavors of lepton are there in the Standard Model? Answer with the whole number only.
What is the two-character IATA code of Etihad Airways? Answer with the two-character code only.
What is the capital of New Zealand? Answer with the city name only.
In what year was the Hubble Space Telescope launched? Answer with the four-digit year only.
Marie Curie won Nobel Prizes in both physics and chemistry. Answer true or false.
Which particle carries the electromagnetic force? Answer with the particle name only, in lowercase.
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.
How many airlines founded Star Alliance? Answer with the whole number only.
In what year did Stephen Hawking die? Answer with the four-digit year only.
How many natural moons does Mars have? Answer with the whole number only.
In what year did the Cassini spacecraft end its mission by plunging into Saturn? Answer with the four-digit year only.
Which numbered law of motion of Newton is usually written F = ma? Answer with the whole number only.