title: 50 Physics Ideas You Really Need to Know (50 ideas)
author:  Joanne Baker 
description: Joanne Baker studied Natural Sciences at Cambridge and took her PhD at the University of Sydney in 1995. She is a physical science editor at Science magazine, where her speciality is space and earth science.
  						    	
  						        	--This text refers to an out of print or unavailable edition of this title.
zlib_text: ![](Images/image00194.jpeg)
  
  **50** **physics ideas**
  
  you really need to know
  
  ![](Images/image00188.jpeg)
  
  Joanne Baker
  
  ![](Images/image00145.jpeg)
  
  ![](Images/image00148.jpeg)
  
  New York • London
  
  © 2007 by Joanne Baker
  
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