50 Physics Ideas You Really Need to Know--------------------------------------------------In this, the second volume in an important new series presenting coreconcepts across a range of critical areas of human knowledge, authorJoanne Baker unravels the complexities of 20th-century scientific theoryfor a general readership. She explains ideas at the cutting-edge ofscientific enquiry, making them comprehensible and accessible to thelayperson.--------------------------------------------------Author Biography: Joanne Baker studied Natural Sciences at Cambridgeand took her PhD at the University of Sydney in 1995. She is a physicalscience editor at Science magazine, where her speciality is space andearth science.