weirdoguy

Hi weirdoguy,

thanks for your message; helpful was:

https://www.physicsforums.com/conversations/insight-posting.238284/#convMessage-359260

(Frabjous' link to https://www.physicsforums.com/threads/when-discussing-the-twin-paradox-read-this-first.1048697/ -- for what it was worth -- + berkeman's subsequent tips.)

Cheers, Frank
(p.s. I hope this is an appropriate place to reply; I seem to have lost the original of your message -- sorry!)