Why does physics matter? What can the study of energy and force, of matter and its motion and behaviour through space and time teach us about the universe and the nature of reality itself? According to Jim Al-Khalili, the renowned physics professor and host of BBC Radio 4\u2019s The Life Scientific, we all need to understand the three pillars of modern physics \u2014 quantum theory, relativity and thermodynamics \u2014 if we are ever to have a full grasp of reality and our place in this universe.\n\n\nIn this week's episode he spoke to presenter Helen Czerski about his new book 'The World According to Physics' and if you'd like to buy it click here:\xa0\nhttps://www.primrosehillbooks.com/product/the-world-according-to-physics-jim-al-khalili/ Support this show http://supporter.acast.com/intelligencesquared.\n \n\xa0See acast.com/privacy for privacy and opt-out information.\nLearn more about your ad choices. Visit podcastchoices.com/adchoices