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Feb
7
comment Why does electric force depend on the medium?
Are we talking about static fields here? Would a time-varying field matter?
Feb
1
revised Is the butterfly effect real?
Copy edited (e.g. ref. <http://www.wikihow.com/Use-Affect-and-Effect-Properly>).
Feb
1
comment Is the butterfly effect real?
What are the quantities on the two axes on the diagram (and units, if any)?
Feb
1
comment Is the butterfly effect real?
What are the quantities on the two axes on the diagram (and units, if any)?
Feb
1
suggested approved edit on Is the butterfly effect real?
Jan
22
revised Three-body problem - sun velocity around barycenter
Copy edited (e.g. ref. <https://en.wikipedia.org/wiki/Three-body_problem>, <http://en.wikipedia.org/wiki/Java_%28programming_language%29>, and <https://en.wiktionary.org/wiki/Mercury#Proper_noun>).
Jan
22
suggested approved edit on Three-body problem - sun velocity around barycenter
Jan
22
comment Nine Planets in the Solar System?
What do you mean by "Ninth Planes"? Do you mean "The ninth planet"?
Jan
16
revised Why is 7 TeV considered as a big amount of energy?
Copy edited (e.g. ref. <https://en.wikipedia.org/wiki/Joule>).
Jan
16
suggested approved edit on Why is 7 TeV considered as a big amount of energy?
Jan
10
revised Are gravastars observationally distinguishable from black holes?
Copy edited (e.g. ref. <https://en.wikipedia.org/wiki/Black_hole>, <https://en.wikipedia.org/wiki/Gravastar>, and <https://en.wikipedia.org/wiki/Event_horizon>).
Jan
10
suggested approved edit on Are gravastars observationally distinguishable from black holes?
Jan
3
revised Why do objects in a gravity simulation experience sudden large accelerations?
Copy edited (e.g. ref. <http://en.wikipedia.org/wiki/PHP#Release_history>) - but it is still awkward near "by creating". (its = possessive, it's = "it is" or "it has". See for example <http://www.wikihow.com/Use-Its-and-It%27s>.)
Jan
3
suggested approved edit on Why do objects in a gravity simulation experience sudden large accelerations?
Dec
31
revised How can light emit three kinds of spectra?
Copy edited (e.g. ref. <http://en.wiktionary.org/wiki/whether#Conjunction>). (its = possessive, it's = "it is" or "it has". See for example <http://www.wikihow.com/Use-Its-and-It%27s>.)
Dec
31
revised How can light emit three kinds of spectra?
Copy edited.
Dec
31
suggested approved edit on How can light emit three kinds of spectra?
Dec
31
comment How can light emit three kinds of spectra?
"electronic" (from "electron"): Isn't it reserved for other things?
Dec
31
suggested approved edit on How can light emit three kinds of spectra?
Dec
31
revised How can light emit three kinds of spectra?
Copy edited (e.g. ref. <http://english.stackexchange.com/questions/4645/is-it-ever-correct-to-have-a-space-before-a-question-or-exclamation-mark#comment206109_4645>).