As well as explaining why balloons rise and apples fall, this book reveals the answers to many more of life’s most important questions, such as: Is time travel possible? What does E=mc2 mean anyway? Do the weird theories of quantum physics and relativity matter in real world? Why do people like pink fluffy toilet-seat covers?As well as explaining why balloons rise and apples fall, this book reveals the answers to many more of life’s most important questions, such as: Is time travel possible? What does E=mc2 mean anyway? Do the weird theories of quantum physics and relativity matter in real world? Why do people like pink fluffy toilet-seat covers?