3,594 accepted98% rate57.7 hours
3,594 accepted98% rate57.7 hours
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.
Neil Armstrong was the commander of Apollo 11. Answer true or false.
In what year was Ivy Mike, the first full-scale hydrogen bomb test, detonated? Answer with the four-digit year only.
In what year was Halley's Comet last at perihelion? Answer with the four-digit year only.
In what year did American Airlines and US Airways complete their merger? Answer with the four-digit year only.
What is the capital of Ethiopia? Answer with the city name only.
Which planet is closest to the Sun? Answer with the name only.
How many regions does metropolitan France have? Answer with the whole number only.
In what year did Stephen Hawking die? Answer with the four-digit year only.
Which astronomer formulated the three laws of planetary motion? Answer with the surname only.
Istanbul is the capital of Turkey. Answer true or false.
In what year did the Airbus A350 enter commercial service? Answer with the four-digit year only.
In what year did Erwin Schrodinger publish his wave equation? Answer with the four-digit year only.
How many natural moons does Mars have? Answer with the whole number 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 did Michael Faraday discover electromagnetic induction? Answer with the four-digit year only.
In what year was the European Space Agency established? Answer with the four-digit year only.
In what year did Werner Heisenberg publish the uncertainty principle? Answer with the four-digit year only.
What is the two-character IATA code of Singapore Airlines? Answer with the two-character code 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.
Who was the first American to orbit the Earth? Answer with the surname only.
Photons have zero rest mass. Answer true or false.
In what year did Monarch Airlines collapse? Answer with the four-digit year only.
In what year did Czechoslovakia split into the Czech Republic and Slovakia? Answer with the four-digit year only.