6
votes
Biometric screening on Shabbat
Even if the "listening" circuit is always on, the "action" circuit is turned off until activated. When anything comes near the sensor, it immediately springs into action, searching ...
- 490
3
votes
Accepted
Understanding an apparent dichotomy in Rabbi Akiva's pre-Yeshiva days
Tosafos in K'subos (62b) picks up on this:
דהוה צניע ומעלי. והא דאמר באלו עוברין (פסחים מט:) אמר ר"ע כשהייתי עם הארץ הייתי אומר מי יתן לי תלמיד חכם ואנשכנו כחמור משמע דלא הוה מעלי איכא למימר ...
- 4,796
3
votes
Accepted
Corn cutting on Shabbat
Refer to the Sefer Shabbos Kehilchasa, Vol 2 p.321-22
הפוסקים נחלקו האם מותר להסיר הגרגירים מהקלח - ויש אסרו לעשות זאת, גם כאשר נעשה לאלתר בסמוך לאכילה. אלא שכל זה כשמוציא גרגירים ממקום חיבורים, אבל ...
- 33.9k
2
votes
Accepted
Cultivating hydroponics on Shabbat
Star-K address this concept here
Nurturing plants is one of the 39 melachos, prohibited categories of work on Shabbos and Yom Tov. Therefore, on those days the seeds may not be placed in their base, ...
- 33.9k
2
votes
Accepted
Wiping spills on Shabbat
Cleaning a spill on Shabbos involves the following two actions (see here):
Wetting the cloth with the spill and
Moving around the soaked cloth.
Wetting a cloth on Shabbos touches upon a possible ...
- 11.2k
2
votes
Understanding an apparent dichotomy in Rabbi Akiva's pre-Yeshiva days
Not much of an answer, but picks up on the final clause of my question:
Do any commentaries pick up on this?
The Chasam Sofer on the Gemara notes this apparent dichotomy and just says simply like ...
- 33.9k
2
votes
Kal Vchomer logic and halacha
Your question is posed by the Gemara in Sanhedrin 35A:
א"ל ר"ל לר' יוחנן ותהא קבורת מת מצוה דוחה שבת מק"ו ומה עבודה שדוחה שבת קבורת מת מצוה דוחה אותה מולאחותו
The Gemara discusses a ...
- 13.3k
1
vote
Kal Vchomer logic and halacha
The Gemara (Yevamos 7a) brings up precisely this point and refutes it:
קְבוּרַת מֵת מִצְוָה תִּדְחֶה שַׁבָּת מִקַּל וָחוֹמֶר: וּמָה עֲבוֹדָה שֶׁהִיא דּוֹחָה שַׁבָּת — קְבוּרַת מֵת מִצְוָה דּוֹחָה ...
- 10.1k
1
vote
Can't you Shecht on Yom Tov?
See the sugya on Beitzah Daf 21 where excluded from the permission to do Melchos of food on Yom Tov is doing those melachos for a Goy or animal.
In the words of the (שו"ע הרב (ריש סימן תקיב
כל ...
- 3,351
1
vote
Hot chocolate on Shabbat
Although the original psak deals with soup-powder, I think it would be no different with cocoa-powder.
Refer to the answer here on Dinonline.org:
it would be permitted to put instant soup mix into a ...
- 11.2k
1
vote
Accepted
Plastic wrap on Shabbat
As the article Gershon Gold in the comment section linked says, it is not allowed. See here. I was reading the article on my phone, before writing this article, and saw that it was already linked in ...
- 11.2k
1
vote
Hot tub on Shabbat
Our Sages prohibited bathing one’s entire body – or the majority of it – in hot water1 [on Shabbos], whether the hot water was in a container or [collected] in the ground,2 even if [the water] was ...
- 4,600
1
vote
Accepted
Bug spray on Shabbat
Dinonline quotes two sources (Shmiras Shabbos Khilchoso 25-4,6, Orchos Shabbos 14-28) and says that it is not allowed to spray it directly unto the insects, because we cannot kill insects on Shabbos. ...
- 11.2k
1
vote
Sukkos and Chanukah Connection
Ri Milunel actually separates out the core holiday of Chanuka from the neiros, imagining a celebratory 8 day holiday sans lights, with the 8 days drawing on the Sukkos model (a less radical and more ...
- 3,435
1
vote
Did Elisha get his tefillin back?
The Ateres Yehoshua (רב יהושע קרלנשטיין) offers a unique perspective on the Sugya: The wings never turned back to Tefilin because Hashem doesn't perform miracles without purpose. He also offers an ...
- 3,351
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