Recent content by Sxlcartron

Thanks for the interesting replies. But for me the problem remains. IF there is anything beyond the observable U , my point is that I cannot see how it could be infinite. When the age of the U is spoken about , it surely means the time taken to extend to its present size from an infinitesimal...

Hi, one thing always bothered me about the argument on the size of the Universe. If it started about 13.7 bn years ago then how could it possibly be infinite in extent? Once the time was finite its not possible to attain infinite extent - no matter how fast it expands. Also if there was...

Thanks for the suggestions The Norbury notes look very interesting , however the diagrams are missing when I unzip the .rar files. Any ideas how to fix this?

I'm looking for a text with loads of worked examples , plenty of exercises, and since I'm working alone , a solutions manual - or some access to the answers - is vital. Currently working Griffiths. The only way to master this demon is by doing dozens of problems. Any suggestions appreciated...