What is a particle of light called?

More Questions:

Which book begins with the words "It was five o'clock on a winter's morning in Syria"?

What famous American author published Ulysses S. Grant's "Personal Memoirs"?

What is the name of Beethoven's only opera?

What psychologist's autobiography was titled "Flashbacks"?

What Saturday Evening Post artist was known for his whimsical pictures of Santa Claus?

In which country is Cusco located?

A nebula is a large interstellar cloud of what?

Syncope is the medical name for what condition?

Who played Al Borland on the TV show "Home Improvement"?

The Silver Lion is awarded at which film festival?

What Harvard dropout held 535 US patents upon his death in 1991, second only to Thomas Edison?

What country's liberation was the purpose of the 1991 Gulf War?

What US Navy intelligence vessel was attacked by North Korea on January 23, 1968?

Who wrote the classic Science fiction trilogy "Helliconia"?

Who in the world of music and born 1984 has the real name Victoria Christina Hesketh?