We would like to perform a minyan for the deaf. All the participants can speak verbally, but cannot hear, including the Torah reader. Can he sign the words that he is reading during Kri'at Hatorah, or ...
Is it permissible to write out HaShem's actual name (the "Tetragrammaton") in English (or any other, non-Semitic, language)? Does it make a difference how you spell it, ie., whether you write it in ...
(Inspired by this comment). Does halacha permit Jews to speak languages other than Hebrew? Bedieved? Lechatchilah?
Is there a law against saying obscenities? If yes, what is considered obscene? Does it apply to any language or only to Hebrew?