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10

Now that the app is actually out and we can see what it does, the Tzomet institute has an article about it. In summary, they say it is forbidden. They take issue with the app's primary claim, which is that the app utilizes a time delay and calls this a grama. The Tzomet institute (which is a pioneer in the development of grama based devices and has some ...


7

According to the article posted here: The Shabbos App is completely unacceptable from a halachic standpoint, according to Rabbi Moshe Elefant of the Orthodox Union. ... Noted halachic authority Rabbi Yair Hoffman said that while the app could transform texting from an issur d’oraysa to an issur d’rabanon, it is still strictly forbidden and ...


6

Based on some research, e.g. this link, I would venture that the Chazzal, the Rishonim and even early Achronim never heard of it and rarely if ever experienced the zap of static electricity. About the only way to accidentally produce static electricity without synthetic materials is by rubbing silk on glass, or fur on copper. Since they didn't wear ...


6

Apple’s default alarm behavior on iOS is to have the alarm go off indefinitely, so if one wants to use the iPhone or iPad alarm on Shabbat, one has to use a third-party app like this one that shuts the alarm off by itself. The only other thing I can think of to do with an iOS device on Shabbat is play media (like music) on a playlist, which would of course ...


4

I heard from a student of R. Yosef Dov Soloveitchik z"l that whether the the English has the status of a shem or not, replacing a letter with another symbol e.g. "G-d" accomplishes nothing, because there are no formal laws about the lettering of English as there are with Hebrew (e.g. regarding the laws of writing a Torah and the like). Rather, the legal ...


4

Either A) Get a pair of timers for the lamps OR B) Switch both lamps on before Shabbos and leave them on all Shabbos. Just point only one at the snake at a time.


2

This sounds like a classic example of a p'sik reisha, something that will happen inevitably, although it is the indirect result of your actions. Most pedometers have a digital display that shows the steps taken. If that is the case, the changing display would be a Shabbos violation, of either Rabbinic or Biblical magnitude depending on differing opinions ...


1

Rav Belsky, shlit"a, explicitly declares his reasoning in the letter: ...a tiny possibility of ספק is introduced so that the odds of the melocho being completed is reduced somewhat or delayed minimally. This concept has no place in Halacha. My understanding is that his reasoning is not that different from the general principle that we are not concerned ...


1

He also signed on this letter, which allows for grama devices in hospitals.


1

I located this which has a summary of some Do's / Dont's of some of the 39 Melachot It says: Whitening/Scouring What: Cleansing in any manor of absorbent materials with absorbed dirt or the bleaching of such materials. Do: Wash dishes, cups, etc. Use paper napkins to clean up spills Dry dishes with a cloth Hang up a suit jacket Hang up a rain coat ...


1

I am in no strong position to offer opinion, but my understanding is that this situation is Melacha Derbanan, but is not Psik Reisha D'lo Nicha Ley — unless maybe if you genuinely do not benefit from the temperature. If you benefit from the temperature then its Psik Reisha. I can imagine a crafty person suggesting that you thoroughly embrace and hold the ...


1

The example normally given is an electric stove top which is already on before Yom Tov, can the stove top be changed in the same way that gas can be changed? The answer to that is that if the switch is a continuous rheostat, then it can be changed in the same way that gas can be changed. However, many stove tops have switches which actually "click" between ...


1

Two reasons are given for lighting shabbat candles: Shalom Bayit Oneg Shabbat Since the light source of a bulb fulfills both these criteria, it should theoretically be permissable. Most Poskim do, however, make a distinction between battery powered lights and alternative current lights that run from a power outlet. Since the former runs on battery ...


1

You can remove the battery and than there is no issue. here is the way to do it. US wont tell you but i found this on a Australia website http://www.sodastream.com.au/auretail/images/FAQ/SourceBatteryChangeDoc.pdf


1

Based on my knowledge, I would say that even if you would say that since light bulb filaments get hot, it would only be an issur drabonon. This is because you aren't heating the filament with intent to mold the metal into a shape like a blacksmith rather you are heating the metal filament for light, the case now becomes a מלאכה שאין צריכה לגופה.


1

Here is an article by Rabbi Michael Broyde & Rabbi Howard Jachter that discusses the entire topic: http://www.daat.ac.il/daat/english/journal/broyde_1.htm (side note regarding heating a bulb before it becomes yad soledes- just because the glass encasing of the bulb isn't yad soledes doesn't establish that the filament itself is not.)



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