Tags » Relativity

Just wait a femtosec, please

When you stand up, your head gets older faster than your feet by 1 femtosecond every 10 seconds. From relativity to Brazilian music, 9 facts about the femtosecond you never minded about. 763 more words

Science

Vacuum stress-energy and the cosmological constant

Reference: Moore, Thomas A., A General Relativity Workbook, University Science Books (2013) – Chapter 21, Problem 21.9.

The Einstein equation is

Up to now, we’ve usually taken , since we know from the Newtonian limit that must be very small. 252 more words

Physics

Einstein equation for an exponential metric

Reference: Moore, Thomas A., A General Relativity Workbook, University Science Books (2013) – Chapter 21, Problem 21.8.

Consider the metric:

We’ll have a look at what the… 425 more words

Physics

Book Review: Relativity by Cristin Bishara

Title: Relativity

Author: Cristin Bishara

Publication date: September 10, 2013

Publisher: Walker Childrens

Pages: 272

Source: Bought from Fully Booked

Purchase the book: Amazon /  447 more words

YA

The Quantum Catechism

Over recent years much has been said about the similarities between religion and science.  Religion and science, and especially physics, it are said are on a convergent path.  2,873 more words

Physics

Door way stories and the relativity of time

“So these Kings and Queens entered the thicket, and before they had gone a score of paces they all remembered that the thing they had seen was called a lamp-post, and before they had gone twenty more the noticed that they were not making their way through branches but through coats.

551 more words
Story Telling

Einstein equation on the surface of a sphere

Reference: Moore, Thomas A., A General Relativity Workbook, University Science Books (2013) – Chapter 21, Problem 21.7.

According to the Einstein equation, the Riemann tensor in 2D… 157 more words

Physics