Tags » Relativity
Paul Walker’s sudden death in an automobile crash in November was devastating to his millions of fans. It also presented a challenge for Relativity, distributor of action movie “Brick Mansions,” which had been scheduled for a February release. 223 more words
Reference: Moore, Thomas A., A General Relativity Workbook, University Science Books (2013) – Chapter 19; Box 19.4.
Another relation of the Riemann tensor involves the covariant derivative of the tensor, and is known as the Bianchi identity (actually the second Bianchi identity; the first identity is the… 161 more words
What I’m about to claim will probably either come as a shock or confirm long-held suspicions: the scientific method—that system of coming up with and then experimentally testing hypotheses that we learned in middle school—is… 718 more words