0x5f3759df – calculating inverse square root

An interesting article in Wikipedia on calculating a first approximation of the inverse of the square root Fast inverse square root, or 0x5f3759df – calculating inverse square root


Brian Koberlein on Google+: Astronomy Blog

Brian Koberlein on Google+ on Astronomy contains a number of interesting articles on current developments in astronomy and relativity.

Brian Koberlein on Google+

Added 31-Aug-2013: Brian Koberlein now has a WordPress powered separate web presence: www.briankoberlein.com.

Added 21-Oct-2013: Brian Koberlein noted that he now has 25,000 followers in Google+.

Added 01-May-2014: Brian Koberlein now has 32.000 followers and 22 million views on Google+.