What Are Some Beginner-Friendly Resources for Understanding Relativity?

[Naty1]

I've come across two online sources I really like.

For some introductory comments and insight into relativity try:

http://einstein.relativitybook.com/Einstein_gravity.html

And for a really elementary first exposure to relativity consider
http://www.einstein-online.info/en/elementary/specialRT/index.html

Have fun...

 

[Naty1]

Here is a free online physics texbook and a nice treatment of relativity including mathematics:

http://www.motionmountain.net/

Click on CONTENTS and scroll down to a chapter on interest...click again for details...