If, as the Rambam says, Olam Haba is something that comes after the days of Mashiach and the ressurrection of the dead, and if it is a completely spiritual reality - as I read in his Treatise on ...
What shape were the branches on the Menorah in the Beit Hamikdash? I have seen the diagram by the Rambam where he depicts it with angular branches. I am looking for sources in halacha (i.e. sources ...