Some thought provoking speculation:
Why are there only 4 forces? Is that telling us something?
What happened to the fifth force that was rediscovered in the 90's?
Why is Roman concrete superior to modern Portland cement?
In mathematics, you don't understand things. You just get used to them.
If it ain't broke, fix it until it is.
Always satisfy the Prime Directive of getting the right answer above all else.
This is a concise page covering all the relevant details on the Fundamental Forces.
All the areas has been covered, in my opinion.
It is no good to try to stop knowledge from going forward. Ignorance is never better than knowledge - Enrico Fermi.
Nothing is better than reading and gaining more and more knowledge - Stephen William Hawking.
Thanks bobby and ganesh.
And bobby: the Romans were just that good. Great roads, too. But apart from concrete and roads what have they ever done for us?
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman