What is emitted from a nuclear reaction that can cause another fission?

More Questions:

What kind of lunch is the common British pub meal of a piece of Cheddar, crusty bread, and a pickle?

What Broadway musical featured the song "Solla Sollew"?

Which famous composer wrote the opera "Carmen"?

Where did Aristotle believe the seat of intelligence was?

Buenos Aires is the capital of what country?

Which country is home of the didgeridoos?

What is the second largest country in the World?

What colour are mosquitos most attracted to?

Who won a Best Supporting Actor Oscar for the 2004 movie "Million Dollar Baby"?

In the movie "The Karate Kid', what is the name of Daniel's master?

What comedian was a drummer in the early days of the band Steely Dan?

In what film did real life siblings Jake and Maggie Gyllenhaal play brother and sister onscreen?

What 1909 Gaston Leroux novel was adapted for both a 1925 film and a 1986 musical?

Which ancient monument, close to the Pyramids of Giza, is said to have been partly formed by natural elements?

"Diamants sur canapé" is the French translation of what American film?