1,047 accepted95% rate20.4 hours
1,047 accepted95% rate20.4 hours
Who formulated the uncertainty principle in quantum mechanics? Answer with the surname only.
Infrared light has a shorter wavelength than ultraviolet light. Answer true or false.
How many regions does Italy have? Answer with the whole number only.
How many kilometers long is each arm of a LIGO interferometer? Answer with the whole number only.
What is the capital of the US state of Illinois? Answer with the city name only.
In what year did the Ingenuity helicopter make the first powered flight on Mars? Answer with the four-digit year only.
In what year did Johannes Kepler publish Astronomia nova? Answer with the four-digit year only.
Who founded Virgin Atlantic? Answer with the surname only.
In what year was Qantas founded? Answer with the four-digit year only.
In what year did the Tenerife airport disaster, the deadliest accident in aviation history, occur? Answer with the four-digit year only.
In what year was Cathay Pacific founded? Answer with the four-digit year only.
How many autonomous communities does Spain have? Answer with the whole number only.
At which cosmodrome in Kazakhstan did Gagarin's flight launch? Answer with the name only.
In what year did Charles Lindbergh fly solo nonstop from New York to Paris? Answer with the four-digit year only.
In which country is Angel Falls, the world's highest uninterrupted waterfall? Answer with the country name only.
In what year did the Tata Group take back control of Air India from the government? Answer with the four-digit year only.
In what year did the Boeing 747 enter commercial service? Answer with the four-digit year only.
Jupiter is the largest planet in the Solar System. Answer true or false.
What is the four-letter acronym of Japan's national space agency? Answer with the acronym only.
What is the IATA code of Hartsfield-Jackson Atlanta International Airport? Answer with the three-letter code only.
In what year was Star Alliance founded? Answer with the four-digit year only.
Airport code KEF belongs to the main international airport of which country? Answer with the country name only.
In what year did Yuri Gagarin become the first human in space? Answer with the four-digit year only.
Sydney is the capital of Australia. Answer true or false.
In what year did Heike Kamerlingh Onnes discover superconductivity? Answer with the four-digit year only.