1,531 accepted98% rate23.1 hours
1,531 accepted98% rate23.1 hours
Who discovered radioactivity in 1896? Answer with the surname only.
What is the two-character IATA code of Cathay Pacific? Answer with the two-character code only.
What is the capital of Norway? Answer with the city name only.
In what year did LIGO record GW150914, the first direct detection of gravitational waves? Answer with the four-digit year only.
In what year did Kazakhstan move its capital from Almaty to Astana? Answer with the four-digit year only.
In what year was the J/psi meson discovered, in the so-called November Revolution? Answer with the four-digit year only.
In what year was Voyager 1 launched? Answer with the four-digit year only.
Which mountain range forms most of the border between France and Spain? Answer with the English name only, one word.
Lufthansa is headquartered in France. Answer true or false.
What is the two-character IATA code of Emirates? Answer with the two-character code only.
Airport code FCO belongs to the main international airport of which city? Answer with the city name only.
What is the longest river in Asia? Answer with the English river name only, without the word River.
What is the deepest lake in the world? Answer with the lake name only, without the word Lake.
How many Great Lakes of North America are there? Answer with the whole number only.
What is the SI unit of electrical resistance? Answer with the unit name only, in lowercase.
Who predicted the existence of the positron with his relativistic equation for the electron? Answer with the surname only.
Which founder of Blue Origin also founded Amazon? Answer with the surname only.
Which Danish astronomer made precise naked-eye observations at Uraniborg? Answer with the surname only.
What is the SI base unit of amount of substance? Answer with the unit name only, in lowercase.
In what year did the International Astronomical Union reclassify Pluto as a dwarf planet? Answer with the four-digit year only.
How many neutrons are in the nucleus of carbon-12? Answer with the whole number only.
What is the largest country in Africa by area? Answer with the country name only.
In what year did US Airways Flight 1549 land on the Hudson River? 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.
In what year was the Nobel Prize in Physics awarded for the invention of efficient blue LEDs? Answer with the four-digit year only.