No, it's not that easy. An infinite expanding universe remains infinite as every part of it expands.
Don't be confused by whether the whole universe...
What have you tried so far, jermy?
It's not appropriate to just present your homework question and ask for help, you have to say what you understand...
And where does he say that they "goofed" building the LHC? I'm not sure you've understood his message correctly. Amateurs like you and I have to be a...