Recent content by Bongos

Thanks DrGreg. I remember actually working this out before but second time round I completely forgot ! The PDF is useful as well as I needed a hint to understand the next line in einstein's paper. I wonder why Einstein never put a few words into explain how he got from one equation to the...

Thanks Ich, It took a bit of working out. I originally started applying the approximation you gave to the WHOLE of the LHS of the first line, but I ended up with a half of Tau in the result. I then realized I just apply it the the second argument of the LHS and again on the right (after a bit...

Hello, I'm new to these forums so I hope this first post is ok. I'm currently reading & (slowly) working my way through the book "The Essential Einstein - His Greatest works" published by Penguin books but I'm stuck on a derivation on page 11 ! I've attached the derivation as a jpg...