I have written many times before about the intricate set of rules that Orthodox Jews have to live by. Some of the most restrictive are those involving the Sabbath and what can and cannot be done during that period. It appears that there are certain things that you can do within the home that you can’t do outside it, such as carrying certain items in public. This can be a nuisance in the modern age when people are used to having their creature comforts available to them 24/7. But not to worry! As in the case of kosher telephones, certified Sabbath mode ovens, and Shabbat elevators, there is a workaround that enables the observant to broaden their activities without incurring their god’s displeasure, and this one involves placing a string known as an eruv around a perimeter that creates virtual doorways that effectively can make an entire neighborhood into the interior of a home. (At least, that is how I think that ‘theory’ works though someone who is more informed on this kind of arcana may be able to add to it.)
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