Chemistry: A Volatile History Chemistry: A Volatile History Chemistry: A Volatile History is a 2010 BBC documentary on the history of chemistry presented by Jim Al-Khalili. It was nominated for the 2010 British Academy Television Awards in the category Specialist Factual. Only in the last 200 years have we known what an element is – a substance that cannot be broken down further by chemical reaction. The Ancient Greeks, with no way of breaking open substances, could only base their ideas of the elements on what they could see: Earth, Fire, Water and Air. In the 16th century alchemists were busy trying to turn
Tendency of the rate of profit to fall system are thinking about, are wider, and more pragmatic, going beyond just a profit focus: It isn't just liberals, Greens and socialists who are concerned with these questions. The far Right, the Radical right and the Alt-right are also thinking about them, to orient their strategies. Tendency of the rate of profit to fall The tendency of the rate of profit to fall (TRPF) is a hypothesis in economics and political economy, most famously expounded by Karl Marx in chapter 13 of "Capital, Volume III". Economists as diverse as Adam Smith, John Stuart Mill, David Ricardo and Stanley Jevons referred