730 accepted99% rate10.9 hours
730 accepted99% rate10.9 hours
In what year did Henry Cavendish carry out his experiment to measure the density of the Earth? Answer with the four-digit year only.
What is the capital of Morocco? Answer with the city name 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.
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 did the Airbus A380 enter commercial service? 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.
Istanbul is the capital of Turkey. Answer true or false.
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.
In what year was the Dominion of Canada formed by Confederation? Answer with the four-digit year only.
The equator passes through Brazil. Answer true or false.
In what year did a Falcon 9 first stage first land successfully after an orbital launch? Answer with the four-digit year only.
How many pascals are in one standard atmosphere, exactly? Answer with the whole number only.
In what year did the Boeing 777 enter commercial service? Answer with the four-digit year only.
In what year did the Perseverance rover land on Mars? Answer with the four-digit year only.
What is the SI unit of energy? Answer with the unit name only, in lowercase.
Concorde cruised faster than the speed of sound. Answer true or false.
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.