Why do human beings find some tone combinations consonant and others dissonant? Why do we make music using only a small number of scales out of the billions that are possible? In the ebook Music as Biology: The Tones We Like and Why (PDF), author Dale Purves shows that rethinking
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We inhabit a world of fluids, including water (a liquid), steam (vapour), air (a gas), and the numerous synthetic and natural fluids which are essential to modern-day life. Fluid mechanics concerns the way fluids flow in response to imposed stresses. The subject plays a central role in the education of
Libby/Libby/Hodge wrote this ebook, Financial Accounting 10th edition, (PDF) based on their belief that the subject of financial accounting is inherently interesting, but financial accounting textbooks are often not. They believe most financial accounting textbooks fail to demonstrate that accounting is an exciting field of study and one that is
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