The Linke Scale is used to measure the blueness of what?

More Questions:

In the beer industry, what does the abbreviation O.G. stand for?

Who wrote a book entitled "The Adventures of Lord Iffy Boatrace"?

Whose "Coffee Cantata" concerns a girl whose father demands she loses her addiction to coffee before marriage?

'The Running of the Bulls" event is held in what Spanish city?

Which state-chartered university is located in a town called Chapel Hill?

Who averaged one invention patent for every two weeks of his working life?

The cecum is part of which intestine?

Who replaced Michael Keaton as Batman in the movie series by the same name?

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

What TV series about International Rescue pilots was filmed in "supermarionation"?

Which British actor played Basil Fawlty in the TV show "Fawlty Towers"?

When was actress Diane Keaton born?

The Treaty of Ghent was signed in what country?

Who created the first pair of stereo headphones in 1943?

Who traditionally occupied the Peacock Throne?