One of the most often quoted, yet least understood, tenets of physics is the uncertainty principle. Formulated by German physicist Werner Heisenberg in 1927, the rule states that the more precisely ...

shred (ʃrɛd), verb (intransitive, slang): to play an electric guitar using sets of notes in a way that produces a sound that is distorted (i.e. strange and sometimes unpleasant) – a rather dubious ...