Two or more pure substances can be mixed together to form a mixture. An example of a mixture of two compounds is alcohol and water. An example of a mixture of elements and compounds is air. The major components of air are hydrogen, oxygen, nitrogen and carbon dioxide. The substances in a mixture can be separated physically via such methods as filtration or chromatography.
Enigma is a German musical project founded in 1990 by Romanian-German musician and producer Michael Cretu. Cretu had released several solo records, collaborated with various artists, and produced albums for his then wife, German pop singer Sandra, before he conceived the idea of a New Age, Worldbeat project.
Turing, the brilliant mathematician who cracked Hitler's Enigma wartime code machines but was laterprosecuted for being gay, was found dead in his bedroom in Wilmslow, Cheshire in June 1954. And Mr Bristow claims Turing met a violent end, he thinks, at the hands of the Americans.