Is the prohibition of carrying beyond the techum, biblical or rabbinic? Is there a distinction between carrying beyond one mil and beyond twelve mil? Is there a distinction between techum shabbat versus techum yom tov or yom kippur? Is there a prohibition, if one is above ten tefachim? Did Shlomo Hamelech know that his temple was destined to be destroyed? Can one confer semicha today, without musmachim? Why does Elijah attend all circumcisions? How long does it take a regular man, to walk one mil? How does one draw the outer city limit, for a city shaped as an amoeba? Are there chatzeirim today? How can one be koneh sheveisa on erev shabbos? Can a patient who returns from a hospital that was outside the techum, walk throughout the city?