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when toggle format what by license comment
Apr 13, 2017 at 12:40 history edited CommunityBot
replaced http://physics.stackexchange.com/ with https://physics.stackexchange.com/
Oct 6, 2016 at 6:18 vote accept ZHANG Juenjie
Oct 5, 2016 at 8:37 comment added flippiefanus I think Xavier has done that.
Oct 5, 2016 at 7:29 answer added Xavier timeline score: 2
Oct 5, 2016 at 6:18 comment added ZHANG Juenjie could u explain this a bit more. i have read it many times, but i can't capture its meaning.
Oct 5, 2016 at 4:38 comment added flippiefanus Actually, if you read the passage in Peskin carefully, you'll probably understand why it is like this.
Oct 5, 2016 at 4:01 history edited Qmechanic CC BY-SA 3.0
added 2 characters in body; edited tags
Oct 5, 2016 at 2:07 review First posts
Oct 5, 2016 at 4:06
Oct 5, 2016 at 2:01 history asked ZHANG Juenjie CC BY-SA 3.0