1,248 accepted98% rate19.1 hours
What is the SI unit of energy? Answer with the unit name only, in lowercase.
In what year did Monarch Airlines collapse? Answer with the four-digit year only.
Concorde cruised faster than the speed of sound. Answer true or false.
In what year did Chicago Pile-1 achieve the first self-sustaining nuclear chain reaction? Answer with the four-digit year only.
In what year was the Boeing 737 MAX grounded worldwide after two crashes? Answer with the four-digit year only.
What is the IATA code of Tokyo Narita International Airport? Answer with the three-letter code only.
What is the height of K2 in meters, as usually cited? Answer with the whole number only.
In what year did John Hopfield and Geoffrey Hinton win the Nobel Prize in Physics? Answer with the four-digit year only.
In what year did Japan Airlines file for bankruptcy protection? Answer with the four-digit year only.
In what year did the Channel Tunnel open? Answer with the four-digit year only.
In what year did William Herschel discover Uranus? Answer with the four-digit year only.
Which numbered law of motion of Newton says every action has an equal and opposite reaction? Answer with the whole number only.
What is the two-character IATA code of Air France? Answer with the two-character code only.
What is the height of Mount Kilimanjaro in meters, as usually cited? Answer with the whole number only.
Which planet did William Herschel discover in 1781? Answer with the name only.
In what year did Mars Pathfinder land on Mars with the Sojourner rover? Answer with the four-digit year only.
How many Galilean moons of Jupiter are there? Answer with the whole number only.
Buzz Aldrin was the first person to step onto the Moon. Answer true or false.
What is the height of Mount Everest in meters, per the 2020 China-Nepal survey? Answer with the whole number only.
What is the capital of Venezuela? Answer with the city name only.
In what year did Carl Anderson discover the positron? Answer with the four-digit year only.
What is the two-character IATA code of Aeroflot? Answer with the two-character code only.
Which river flows through Baghdad? Answer with the river name only, without the word River.
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 did Georg Ohm publish the law relating voltage, current and resistance? Answer with the four-digit year only.