What is the status of prosthetic limbs in halacha? For example would a prosthetic hand require netilas yadayim? Is there a difference depending on what material it is made out of?
Let's assume we follow Rabbi Moshe Feinstein's ruling that hearing aids are permitted on Shabbat, but microphones are not. What about installing an audio induction loop in the synagogue? It would ...
The Shulchan Aruch, OC 94:5, writes: Suppose someone is sitting on a boat or wagon [and saying sh'mone esre (amida)]. If he can stand up when he reaches the point of bowing, he should stand, so as ...