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

More Questions:

What British holiday is celebrated on December 26th?

What key is to the right of T on a standard keyboard?

How old was writer Arthur C. Clarke when he passed away in 2008?

Death Valley is located in which US state?

Which US state is home to Guadalupe Mountains National Park?

If you have singultus, what do you suffer from?

What metal item ont he end of a kite string gave off the sparks in Benjamin Franklin's 1752 experiment?

Aviatophobia is a fear of what?

What actor played the role of Hans Gruber in the original "Die Hard" movie?

What is the name of the summer camp in the "Friday the 13th" movie series?

What two actors exchanged faces in the 1997 movie "Face/Off"?

What film, starring Ernest Borgnine as a lonely butcher, won an Oscar for "Best Picture"?

In what city was the first US mint opened?

Who were the first people in the world to eat popcorn?

What ancient Greek god/goddess represented Necromancy?