Friday, May 13, 2011
Today I received the executed book deal for my collaboration with Leonard Susskind on the book Theoretical Minimum: Classical Mechanics. The book will be published by Basic Books. We have until January of 2012 to finish it, but don't be surprised if we finish early.
Thursday, May 12, 2011
Leonard Susskind and I have now signed a contract with Basic Books for the Theoretical Minimum: Classical Mechanics. This book is contracted to be completed by January of 2012 (don't be surprised if it is finished before then).
Monday, May 9, 2011
Sunday, May 8, 2011
Sunday, May 1, 2011
Fun with Tensors
George E. Hrabovsky
Example 2-3 from David McMahon’s book Relativity Demystified.
Given the line element
we seek to find the metric tensors for raising and lowering indices for vectors and one-forms. We begin by noting that the metric tensor is symmetrical,
Posted by George Hrabovsky at 1:53 AM