Questions tagged [contemporary-halacha]

Questions regarding halachot specifically relevant to the current era.

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Is there any problem with wearing Techeles if it is not the real one? [duplicate]

Many people hold the murex trunculus is the real techeles, and many others hold it is not. Would there be any Halachic problem of wearing it if it is not real?
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Wearing Tzitzis whilst doing sports? [duplicate]

The Shulchan Aruch - Orach Chaim 24:1 writes: ...וטוב ונכון להיות כל אדם זהיר ללבוש טלית קטן כל היום כדי שיזכיר המצות בכל רגע It is good and correct that a person should be cautious to wear a small ...
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1answer
88 views

What method is used to halachically pluck a chicken's feathers after shechita

It seems the standard way to remove chickens feathers after slaughtering is to scald the chicken in hot water for up to a couple minutes before plucking the feathers. (as an example, here's some ...
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122 views

What is the criteria of safek pikuach nefesh?

An expert in a particular field (a doctor, an actuary, etc.) can advise on the risk of mortality from a specific activity of anywhere between 0% and 100%. At what threshold of risk would the halacha ...
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2answers
124 views

What are the parameters of shomer pesaim Hashem?

While the Torah forbids one to place himself into a situation of danger, some degree of slightly risky behavior is allowable under the concept of shomer pesaim Hashem. Are the parameters of this ...
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1answer
113 views

Ben Ish Chai against taking photos of females?

I heard that the Ben Ish Chai was very against having women in photos, so much so that a woman would even be taken out of Gan Eden a hundred years after her photo was taken if someone looks at it. Is ...
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115 views

Can I make a siyum on audio lessons?

I learned an entire Talmudic tractate by listening to audio lessons, without actually reading any words from the printed text. May I make a siyum? It appears that "shomea k'oneh" wouldn't ...
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48 views

Exceptions to the rule of washing ones hands in the morning

The Rosh Brachot 9:23 says "one needs to clean one's hands for davening and at night when sleeping one's hands might touch a dirty area". Rashba Tshuvah 1:191 says "because a person is recreated each ...
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Halacha to discourage a convert once every 6 months?

A friend of mine told me that the halacha of discouraging a convert three times has a little nuance - the convert has to make the second and third attempt (to persuade the rabbi to let him convert) at ...
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42 views

Locating Ashdod Bais Din Ruling

I came across an article on Yeshiva World News regarding a the above Bais Din ruling on a Boy and Girl on whether they are married or not. Can someone help me locate this ruling. https://www....
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How did Gdoley Israel react to the landing on the Moon?

IMHO, landing on the Moon did/could seriously undermine the bases of the Jewish religious view about the nature of the celestial bodies. How did Gdoley Israel react/deal with the landing on Moon (and ...
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1answer
134 views

Shutting lights off during Chol Ha'moed, to save electricity

Preface During Shabbat, Orthodox Jewish practice is to avoid turning lights on or off. Perhaps turning lights on or off is a form of melacha. On Chol Ha'moed, melacha is sometimes, but not always, ...
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62 views

When selling a house, what pieces of furniture go with it?

Based on Baba Batrah 65-67, what are the opinions in the contemporary Halacha about what pieces of furniture are considered "house" and what not, when one sells a house at a fixed price? Is selling ...
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Can one sell a future contract?

In the modern marketplace, to protect against volatility and risk, people negotiate contracts that deal with things that are yet to become a reality. However, as I read the gemara in Bava Metzia 33b, ...
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1answer
109 views

Kohen with eyeglasses

Is having imperfect eyesight that requires the wearing of eyeglasses a problem for a Kohen? The question is two-fold: 1) Does the imperfect eyesight render him a ba'al mum (physical blemish) which ...
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63 views

Does a broker keep the leads he worked on?

A broker works at a Merchant Cash Advance Company and the company provides leads to the broker. The broker's job is to sort through those leads, identify the ones that are really interested, build ...
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1answer
147 views

What does רעך בתורה ובמצוות mean? [duplicate]

The Torah says וְאָהַבְתָּ לְרֵעֲךָ כָּמוֹךָ, Love your fellow as yourself. Actual halacha: Kitzur Shulchan Aruch: It is incumbent upon every Jew to love every fellow Jew as he loves himself. ...
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47 views

What is the Halacha of establishing one's home at the onset of Shabbos?

If one cannot make it home, I heard there's a din that one sets his place where they are now upto 2000 amot. What's the source of this? What if I'm in the back of a car?
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172 views

Is one allowed to sleep in a room/house where there are images of JC, Virgin Mary and other avodah zarah?

Is a Jew permitted to sleep in a room/house where there are idolatrous images on the walls, such as JC, virgin Mary, etc.? What about non-Jews?
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2answers
126 views

Building a Mikva Upstairs

Every Mikva I am personally familiar with is on the ground floor (first floor) or basement of its building. Let's say a congregation owns a one story building they use as their shul. They agree to ...
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2answers
109 views

What are the various opinions as to what the Techeiles is?

Several opinions claim to have rediscovered Techeiles. This question refers to Ptil Techeiles and Radnyzer. What are their opinions as to the Techeiles, and are there any others?
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Speaking Loshon Hara about another Jew to a Gentile

Can I say Loshon Hara about another Jew to a Gentile? For example: If Reuven tells Roy that Yehudah is a stupid person. Is Reuven doing an Aveira?
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Hearing Loshon Hara from a Gentile

Can a Gentile tell me Loshon Hara about another Jew?
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3answers
407 views

Book on the laws of Shabbos

Which English book on the laws of Shabbos would you recommend? One that is Halacha Lemaase with footnotes that show where the Halacha stems from and the differentiating opinions.
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Are OC 3:2 and 3:13 practiced nowadays? [duplicate]

In OC 3, the Shulchan Aruch discusses many halachos regarding using the bathroom. Many of these seem to be disregarded with the relatively modern invent of the urinal; this is particularly concerning ...
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55 views

Do objects of idolatry contaminate?

Rambam in Mishneh Torah, Foreign Worship and Customs of the Nations 7:9 speaking about idolatrous objects says that "everything it mingled with and its identity lost" is forbidden property. Is Rambam ...
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164 views

Could there be a Halachik issue with using a DNA kit such as 23andMe?

Besides learning fun facts about one's DNA and ancestry, there's a lot of good that can come out of using one. For example: people of Ashkenazi Jewish descent can learn if they're predisposed to BRCA1 ...
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Can you crack and roll a boiled egg on Shabbat, even if the rolling will tear the letters printed on the egg?

Introduction In an article, Rabbi Gil Student writes that, on Shabbat: The Mishnah Berurah (340:17) and other authorities ... permit eating cake with letters. However, they do not permit cutting ...
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101 views

Definition of “Isko Im Hanashim”

Which modern-day poskim address what professional relationships would make one considered "Isko Im Hanashim" - working with women, in relation to Hilchos Yichud, and what are their definitions? For ...
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Vaccinating and religious exemption [duplicate]

Unfortunately, there is a measles outbreak in some east coast cities where some parents refused to vaccinate their children claiming religious exemption. Since the situation has been declared an ...
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Genizah and electronic file [duplicate]

Has the subject of genizah been treated about electronic content? For example, if it is permitted to delete (and even cut-and-paste) a computer file containing divrei Torah. Or to delete a .jpg ...
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234 views

Modesty for Men - Bodybuilding and Judaism [closed]

I have two practical questions concerning Modesty (Tzniut) for men and what Halacha says about it which concerns bodybuilding: Can a man take half-naked pictures of himself (with only shorts or pans ...
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1answer
271 views

Using modern electronic devices (refrigerators, air conditioners, digital water meters) on Shabbat

The Mishmereth Hashabbath institute in Israel has published a booklet which claims that using many modern electronic devices (refrigerators, air conditioners, digital water meters) are highly ...
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1answer
212 views

Retroactive psak and conversions

B"H I constantly read about Orthodox conversions which are retroactively nullified by the Israeli Rabbanut, sometimes affecting multiple generations. I am not writing this question to express nor ...
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Entering a Catholic or Protestant church [duplicate]

According to Jewish Law, is one allowed to enter a Catholic or Protestant church?
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Hackintosh in Halacha

A Hackintosh is a bootlegged version of Apple's macOS loaded onto a computer that has not been manufactured by Apple and doesn't have a license to run macOS. According to Apple's macOS license, I. ...
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1answer
357 views

Eating with non jews

Is there any prohibition in jews and non jews sitting at the same table and eating kosher food together at a jewish? wedding? Thank you.
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1answer
67 views

What Rabbinic discussion has there been about the use of contact lenses?

A chavrusa is an optician. He tells me that soft contact lenses will be squeezed when put in and taken out of the eyes. My question is what, if any, Rabbinic discussion has there been about the use ...
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58 views

Source for 37 Israeli Mitzvot Today

According to the accepted answer of this question, there are 37 mitzvot unique to the land of Israel that one can fulfill nowadays. Notably, however, he includes in that count mitzvot such as those ...
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1k views

Glow sticks on Shabbos

May one activate a glow stick on Shabbos? (In other words, is there a prohibition on activating the chemical reaction which produces the light in a glow stick?)