What do you need to send a semaphore message?

More Questions:

What did the letters in the name of the cable network HBO originally stand for?

In the nursery rhyme "The Cat and the Fiddle', what runs away with the spoon?

Who wrote "Treasure Island"?

Which US state's name is derived from the Chippewa words for "great water"?

Independence Hall, home to the Liberty Bell, is located in which US state?

In which European country would you find the town of Eupen?

Which US state is home to Wind Cave?

For which viral disease did Louis Pasteur develop a vaccine?

What is the technical name for the shape the stackable Pringles chips have?

What is a male goose called?

In which film did Paul Newman play a crime boss named John Rooney?

What sport is the focus of the movie "Fat City"?

West Germany was the common English name for which country?

Which of Henry VIII's wives was rumored to have had six fingers on her left hand?

What painting technique uses colored pigments mixed with a binder, most common of which are egg yolks?