202 submissions
,
160 unreviewed
4,981 questions
,
2,140 unanswered
5,340 answers
,
22,629 comments
1,470 users with positive rep
813 active unimported users
More ...
If I am I right that electric charge is the only *repellant* force in the Universe and all others, gravity, strong and weak nuclear, are attractive, when, in the history of the universe, did the first electric charge occur and are there electric charges inside of Black Holes?