... blkhlphyxii Black Holes, Information, a nd the String Theory Revolution October 25, 2004 15:0 WSPC/Book Trim Size for 9in x 6in blkhlphy AN INTRODUCTION TO BLACK HOLES, INFORMATION, AND THE STRING THEORY REVOLUTION The ... disturbing the black hole and its geometry. Therefore, in principle, the distant observer can obtain information about the neighborhood of the horizon and the infalling sys-tem right up to the point ... blkhlphy4 Black Holes, Information, a nd the String Theory Revolutionspatial distance from the origin, but is defined so that the area of the 2-sphere at r is 4πr2. The angles θ, φ are the usual...