Possible Duplicate: Should we force adding a comment with every down-vote? Anonymous down voting is not constructive, and the individuals who choose to hide behind the click, most often never up vote a revised question or answer. I think if you anonymously down vote a question and it ...

I am seeking a list (or lists) of smartphone image sensor brands and which smartphone(s) they are used in. So far, I have found the following page for Sony's Exmor image sensor range, there are lists of sensors and devices (phones and cameras) that employ that particular image sensor brand - but...

It's purely management question to the moderators team. In topic "Can we set up svn server on a local computer without any network access?" (and probably some other places) I'm under downvoting attack from person, known as Mark Booth. He decrease rating of my correct answer in retaliation for cri...

No, the correct way of putting it is $$\mathrm{Almost~all~of~the~\mathbf{inorganic}~nitrate~salts~are~soluble~in~water. }$$ The families of organic nitrate salts are typically nitrates of azoles and imidazoles. Some bright examples are (R) & (S)-miconazole nitrates, isoconazole nitrate and econa...

The answer has to do with pi-backbonding. In essence, the CO molecule has a negative formal charge on the carbon (it's neutral because of the oxygen having a positive formal charge). However, C is quite electropositive, and would like to relieve the stress caused by the negative formal charge. ...

I came across the following part in my text book. Bohr's atomic theory explained the stability of an atom by the idea of energy shells. He said that while orbiting the nucleus through a particular orbit or energy shell the energy of electrons neither increases nor decreases. The electron does not...