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12
votes
1answer
111 views

Can an ultrasound be relied upon?

I have read reports of the accuracy of gender prediction from an ultrasound with numbers ranging from 90-98%. There is a halacha (Y.D. 194:11) that if a fetus sticks its hand [or possibly any limb] ...
12
votes
1answer
256 views

Intentionally using a grace period on a rental

I recently rented a bike for a few hours, and the person in charge of the rental told us that we have "X number of hours, and a 15 minute grace period," followed by the warning that if we don't return ...
10
votes
1answer
252 views

Eating out Friday night of Chanukkah

If one is lighting Chanukkah candles inside (for whatever reason) relying on the publicization to himself and his family, then what should he do on Friday night if he is eating out? Must he make the ...
9
votes
1answer
176 views

May one mix-and-match to create their own Hebrew pronunciation?

In the introduction to his siddur (down the bottom of the linked page), Rabbi Yaakov Emden emphasises the strict importance of a proper Hebrew pronunciation when davening. In particular, he ...
9
votes
1answer
300 views

Scheduling a USPS Pickup for Shabbos

So it turns out that the USPS has a feature where you can ask them to come and pickup a package. So you go online to their site, enter your information, choose a date for the pickup, and tell them ...
8
votes
1answer
120 views

May one beautify his Payos?

Rashi (B'reshis 37:2) calls it an "an act of immaturity [to fix one's] hair (...) so he would look good". Obviously, payos are made from hair, but they are not considered regular hair within kabbala ...
8
votes
1answer
91 views

Does Beis Din have the authority to quarantine?

In light of the recent discussions about the legality of quarantining potential Ebola patients, I was wondering if Halacha has the mechanism for such a thing. In an autonomous Jewish society, in ...
8
votes
1answer
248 views

Does a Jewish idolater's pouring of non-mevushal wine make that wine forbidden to himself?

We see from this answer that wine poured by a Jew who rejects Judaism is yayin nesech. Would that cause the wine to be forbidden even to himself, or is it only forbidden to others? Would he be ...
8
votes
1answer
194 views

Is it halachically permissible to click on contextual ads with no intention of buying?

Contextual ads are those ads you see when you do a search on Google. The advertisers only pay if someone actually clicks on their ad. It seems "pashut" to me that clicking an ad if you know you're not ...
8
votes
1answer
362 views

Tattling on fellow Mi Yodeyans

We are currently in the beginning of the 2012 Mi Yodeya Moderator Election. To what extent can one avail oneself of the exception of "to'elet"="for a purpose" to the standard rules of Lashon HaRa' ...
7
votes
1answer
116 views

Is Smuggling Candy and Snacks Into a Movie Theater Forbidden?

Ever since I was a kid, we have routinely brought our own pre-packaged snacks into movies in order to avoid the exorbitant prices of those sold in the theaters. Is it permitted to bring such snacks ...
7
votes
1answer
144 views

What if someone accidentally gave an Aliya to a non-Jew?

A gabbai called someone up for an Aliya. Yaamod, Reuven ben Shimon Shlishi. Then, it turns out that Reuven isn't Jewish (he thought he was, his mother had a reform conversion and he thought that was ...
7
votes
1answer
210 views

A Jew is born in space. What time rules does he follow?

I know that the title sounds like a sequel to a TV show (Lost in space). But based on a statement in this article : The Rabbis therefore rule that a person should continue to follow the time ...
7
votes
1answer
81 views

If someone accidentally steps backward before the end of Shmoneh Esrei, what should he do?

If one steps backward before the end of Shmoneh Esrei, (either because he mistakenly thought he was up to עשה שלום... for a second, or because someone bumped into him,) how should he precede with his ...
7
votes
1answer
145 views

Not Bentching on a Kos when wine is already on the table

According to this answer R' Moshe Feinstein Paskened that, since for many years the practice of Bentching on a Kos (reciting grace after meals over a cup of wine, as formally constructed in the ...
7
votes
1answer
273 views

Can you sing during the sheva brachos?

I have been to weddings where, during the recitation of the seventh bracha under the chuppah, the congregation sings "asher bara...". Sometimes it is along with the one reciting the bracha and other ...
6
votes
1answer
78 views

Is it a sin to joke about sinning?

For instance, to joke about committing suicide or something less extreme like eating non-kosher. My inclination is towards saying that it is forbidden since it might desensitize one to the idea ...
6
votes
1answer
241 views

Kissing when one person is meaty and the other is milky

I know that someone cannot eat milk immediately after meat and vice versa. Is it ok for two people to kiss if one person has just had meat and the other has just had milk? Do they, perhaps, need to ...
6
votes
1answer
147 views

Is there a penalty under the law for attempted adultery?

If a married man or woman propositions sexual misconduct to a person, or a man or woman propositions a person they know is married, is there a prescribed penalty according to the law, i.e. would a a ...
6
votes
1answer
193 views

May a non Ethiopian Jew celebrate Sigd?

Ethiopian Jews recently celebrated their festival of Sigd, which involves reaccaptence of the Torah, communal fasting and feasting, and prayers. Is it acceptable for someone of a Minhag other than ...
6
votes
1answer
180 views

Any Halachic problems with app publishing?

I'm currently in the process of developing a mobile app, that, be'h will have various Israel related feeds. I was wondering if there could be any Halachic issues with respect to including news feeds ...
6
votes
1answer
216 views

Preparing food for Yom Tov Sheni

Orach Chaim 503 says that one may not prepare from the first day of Yom Tov for the second day of Yom Tov. However, if one is going to eat even one piece of meat on the first day, they may fill up a ...
5
votes
1answer
144 views

Ratios of Hameitz-to-Other for Owning

For the prohibition of owning hameitz on passover, what is the ratio of hameitz-to-other that makes a mixture hameitz? The prohibition of owning hameitz is a separate mitzvat lo-ta'asei, as listed by ...
5
votes
1answer
173 views

Tznius in semi-private locations - gym for women

I've been reading Oz vehadar (R' Pessach Eliahu Falk) and one doubt came up: If a woman should stay tznuah even in private (like rules on what pajamas not to wear, and about the length of the ...
5
votes
1answer
80 views

Practical עשה דוחה לא תעשה

There are a few examples frequently offered for the rule "עשה דוחה לא תעשה": Someone whose garment has four corners and linen can nonetheless put wool tzitzis on it. This is unlikely nowadays, when ...
5
votes
1answer
144 views

Can a section of the Torah be “cut and pasted”?

While reading parshat Naso last week, it was easy to notice that near the end of the reading, there is a large section discussing the donations made by the 12 tribes for the dedication of the ...
5
votes
1answer
68 views

Substitutes for “Today” in the omer count

Shulchan Aruch, OC 489:4 (in my own translation): Someone whose friend asks him during twilight "How many days of the [omer] count tonight?" should tell him "Yesterday was such-and-such". For if ...
5
votes
1answer
101 views

Is Exodus 20:4 a command about icons or idols?

When The Lord says, "Do not make for yourself an image," does he mean an image for the purpose of worship, that is an idol, or any image whatsoever, such as the depiction of a narrative or a ...
5
votes
1answer
113 views

Can a shaliach assemble your mishloach manot for you?

I know that a shaliach (messenger) can deliver your mishloach manot. But can the shaliach also assemble it for you (under instruction for what to put in), and you'll still fulfill the mitzvah? Here, ...
5
votes
1answer
73 views

Issues of lifnei iver with an inaccurate clock

Is there any problem with lifnei iver (giving bad information) in having an inaccurate clock that someone else will look at? I'll examine a few cases here. The clock is a few minutes off. I don't ...
5
votes
1answer
154 views

Would a Greek sefer torah be read from in Greek?

If a sefer Torah was written in Greek, would it have been publicly read from in the Greek translation only, or would they also use a Hebrew scroll?
0
votes
0answers
83 views

How much Matzo must one eat on Pesach?

According to the OU, one must eat a minimum of "approximately 26 cubic centimeters" of Matza and Marror to fulfill his requirement (ie, a kezayis is 26 cm3). They also provide a chart, which states ...
0
votes
0answers
73 views

Are women obligated to say the morning blessings?

Are women obligated to say the morning blessings and perform the ritual hand washing?
0
votes
0answers
44 views

Halachos of kashruth and bliya

If a utensil can't become meat or milk through bliya, (like wood) then is it ever possible to become non-kosher?
0
votes
0answers
54 views

Having pictures in a room that is prayed in

Is it assure to have pictures of people in a room where someone is praying, specifically on the eastern wall?
0
votes
0answers
84 views

Are water exercises in a mikva allowed?

Is there any problem with doing water exercises in a man-made structure designated as a mikva (if, for example, you are alone there). (Obviously in a natural mikva, such as a river or sea, is okay.) ...
0
votes
0answers
62 views

Does an incomplete oath count?

If someone makes a partial statement (while not intending to make a Shevua) is that considered a Shevua? For example, we learn in the Torah about swearing (even in Hashem's Name) (which clearly should ...
0
votes
0answers
236 views

Is it wrong to wear a necklace of a magen david?

Is it wrong to wear a necklace of a magen david (star of David)? Would that be idolatry? And what if I kiss it? Will it then be idolatry?
0
votes
0answers
80 views

What calendar-dependent laws must non-Jews follow?

While the calendar is vastly important in Judaism, it seems like it is barely applicable to non-Jews. The "big seven" Noahide laws seem to be perenially applicable; they dictate general rules for life ...
0
votes
0answers
172 views

Waking up early to eat before a fast

I was just wondering about the halachos of waking up to eat before a fast day. If one had intention, is it best to wake up, wash negal vasser, get dressed, go to bathroom say Al Netilas Yadaim, Asher ...
0
votes
0answers
78 views

What are Geonim's definitions of Attiphath Yishma'elim?

I would like to specifically know what the definitions of attiphath yishma'elim were among the Geonim. The opinions of the Rishonim on the subject seem to be convoluted (i.e. no one really knew what ...
0
votes
0answers
58 views

What is the opinion of Chofetz Haim on speech of Joseph about his brothers

Can you please quote how Chofetz Haim defined "diba ra" that Joseph said about his brothers.Since it was not true, was it real "motzi shem ra"? If not, why? Joseph thought that he was saying the ...
0
votes
0answers
210 views

Nespresso Machine Tevilas Keili alternatives

I recently acquired a new Nespresso coffee machine that will most probably be damaged if immersed. (The warranty will be void if immersed). Are there any alternatives to Tevila? I've heard you can ...
0
votes
0answers
336 views

Shaving(hair cuts) on Rosh Chodesh

What is the reason that hair cuts are not allowed(or advisable) on Rosh Chodesh according to Rav Yehuda Hachassid? A lot of things mentioned in the tzavvah should be avoided because of danger is this ...
0
votes
0answers
51 views

Can Kohanim who will bless the people start their journey to the duchan before Retzei?

Shulchan Oruch Mishnah Berurah 128 (8) [25] implies that the Kohanim should go up to bless the people after the prayer leader has said "Retzei". I see that many knowledgeable Kohanim start going up ...
0
votes
0answers
109 views

Do dental instruments need to be toyveled?

Metal utensils that will be used to handle food that's to be consumed generally need first to be immersed in a mikvah ("toyveled") (if owned by a Jew). If the food or utensil is hot, the utensil must ...
0
votes
0answers
73 views

How should the items on the noticeboard in the synagogue be arranged?

On a board where the name of the week’s parsha and the relevant additions in the prayers are displayed as shown here for example, is there an order of placing the items accepted by halacha or minhag? ...
0
votes
0answers
92 views

Cooperating with the authorities on Shabbos

To what extent, if any, must a Jew go through in order to cooperate with authorities, who are not seeking to persecute Jews, in ways that violate Shabbat? May he violate rabbinic ordinances, or actual ...
0
votes
0answers
84 views

Probing Minhag Avoseinu

As discussed in this question and the comments there, we know, based on Beitza 4b, that there is some halachically binding concept of minhag avoseinu b'yadeinu (the custom of our forbears is in our ...
-1
votes
0answers
21 views

What is pirkei heichalot rabati?

I was wondering if anyone knew any information regarding pirkei heichalot rabati and if anyone had a reliable enlgish translation ??