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...and also uses a bodhrán (Irish frame drum) for an example. Octaves and scales This track explores the relationships between notes and scales on a keyboard through the use of three popular scales. Rhythmic patterns Alan Graham of The Open University explains how he used a simple mathematical diagram to play a musical rhythm of 3/2, and demonstrates the beat on the bongos....

...simple explanation for one of the fundamental features of quantum theory. Einstein's objections to quantum theory The uncertain universe versus the deterministic universe. Bohr's ideas had great success, but in the 1930s, they challenged the accepted laws of nature. Einsteins' challenge to quantum theory The Einstein, Podolsky and Rosen (EPR) Thought Experiment represents...

...simple introduction to Bayesian thinking Bayesian statistics provides a framework for combining prior knowledge with observed data. Named after Thomas Bayes, an eighteenth-century mathematician, this approach is based on a simple idea: our beliefs about an unknown quantity can be updated as new evidence becomes available. Rather than eliminating uncertainty, Bayesian...