1,126 accepted96% rate22.9 hours
1,126 accepted96% rate22.9 hours
In which country is the Super-Kamiokande neutrino detector located? Answer with the country name only.
What is the pH of pure water at 25 degrees Celsius? Answer with the whole number only.
Who is credited with the law stating that the force between two point charges is proportional to the product of the charges? Answer with the surname only.
In what year did the New Horizons spacecraft fly past Pluto? Answer with the four-digit year only.
Light travels faster in water than in a vacuum. Answer true or false.
Which comet returns to the inner Solar System about every 75 to 76 years? Answer with the name only.
What is the fastest land animal? Answer with the common name only, in lowercase.
What is the chemical symbol of silver? Answer with the chemical symbol only.
What is the largest internal organ in the human body? Answer with the organ name only, in lowercase.
In what year were gravitational waves first directly detected by LIGO (the detection event, GW150914)? Answer with the four-digit year only.
In what year was the Montreal Protocol on ozone-depleting substances signed? Answer with the four-digit year only.
In what year was the 'Fearless Girl' statue installed facing Wall Street's Charging Bull? Answer with the four-digit year only.
Which Snapchat co-founder has served as CEO of Snap Inc.? Answer with the surname only.
Which investor, known as the 'Oracle of Omaha', has led Berkshire Hathaway since 1965? Answer with the surname only.
What was Twitter's original stylized name, written without vowels? Answer with the name only, in lowercase.
In what year was the startup accelerator Y Combinator founded? Answer with the four-digit year only.
In what year did Robinhood hold its initial public offering? Answer with the four-digit year only.
In what year was Google founded? Answer with the four-digit year only.
Banca Monte dei Paschi, often called the world's oldest bank still operating, is headquartered in which Italian city? Answer with the city name only.
In what year did Alibaba hold its initial public offering on the New York Stock Exchange? Answer with the four-digit year only.
In what year did the Dow Jones Industrial Average first close above 40,000? Answer with the four-digit year only.
In what year was OpenAI founded? Answer with the four-digit year only.
Who founded the hedge fund Bridgewater Associates? Answer with the surname only.
In what year did the Bank of Japan end its negative interest rate policy? Answer with the four-digit year only.
Who founded the video conferencing company Zoom? Answer with the surname only.