Questions tagged [technology]

Questions about how Judaism interacts with technological innovations.

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2
votes
1answer
73 views

If a Cohen couple gets an embryo donation do they perform pidyon?

If a Cohen couple gets an embryo donation and their first born is a boy, do they have to do pidyon or is the baby a Cohen?
22
votes
1answer
424 views

a wheelchair user's taking “steps” before sh'mone esre

The Shulchan Aruch, OC 94:5, writes: Suppose someone is sitting on a boat or wagon [and saying sh'mone esre (amida)]. If he can stand up when he reaches the point of bowing, he should stand, so as ...
6
votes
0answers
109 views

G-d's name on screen readers

People who are blind or hard-of-seeing often interact with computers using devices called "screen readers". These screen readers will read aloud the words that are written on the screen (or in the ...
10
votes
1answer
238 views

Would a metallic prosthetic hand require immersion?

Normally, a metal utensil used to eat with, such as a fork, requires immersion before its first use if it had been owned by a gentile. If a person has a metallic prosthetic hand which he uses to eat, ...
2
votes
2answers
602 views

Using water filter/purification system on Shabbos

(Being asked as a theoretical question. Obviously everyone should ask their LOR.) There is a water filter (or purifier) that works in the following way: The water flows into a part where there is ...
2
votes
0answers
167 views

What modern-day hygiene products are prohibited on Yom Kippur?

What, if any, modern-day hygiene products are prohibited "oils" on Yom Kippur? Are deodorants and perfumes in this category? What about medical ointments?
9
votes
1answer
374 views

Can a minyan meet online?

My question is twofold: Can a person present via webcam (with sound enabled), but not present physically, count towards a minyan (see this example)? If not, can that person still receive the ...
5
votes
3answers
1k views

canned whipped cream on shabbas?

Can one use a pressure can of whipped cream on shabbas ? It is funny because on the actual can it says to ask your Rabbi if one can use it or not.
0
votes
0answers
95 views

Sending/reading SMS on Shabbat [duplicate]

Recently a debate of usage of cellphones on Shabbat has come up, mainly about reading and sending text messages. I was wondering what the specific reasoning is behind not allowing it on Shabbat. Any ...
1
vote
0answers
49 views

Personal Air Purifiers and Shabbath

What implications might there be for a personal air purifier on Shabbath? Would it be the same as wearing a watch, even a self-winding watch, which according to most is Mutar on Shabbath? Or is it a ...
3
votes
1answer
284 views

Which rabbis forbade cars 100 years ago?

"Venishmartem Meod Lenafshoseichem" I heard that there were Rabbonim about 100 years ago who forbade cars, saying that they were dangerous. Does anyone know who they were?
7
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2answers
991 views

Solar Powered Wrist-Watch on Shabbos

Is one allowed to go out with a solar powered watch on Shabbos (where they know the watch is in a situation where they will surely benefit from the power produced through the sun?) What could be the ...
3
votes
1answer
411 views

May I play a computer game which includes Greek mythological creatures?

I sometimes play a computer role-playing game (RPG) in which my character fights creatures and retrieves treasure. But some of the creatures are derived from Greek mythology. Is it still permissible ...
9
votes
1answer
211 views

are bionic abilities legal for shabbos

Today the world is high in technology; many medical fields are experiencing breakthroughs in artificial limbs and what not. What are the legalities of these in Jewish law? For example, a pace maker ...
4
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1answer
124 views

Jewish-themed Open Source projects

I am a programmer and would like to begin contributing to an Open Source code base. What projects related to Judaism are under active development?
5
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1answer
426 views

Artificial non Kosher food

According to Vayikra we have: ז וְאֶת-הַחֲזִיר כִּי-מַפְרִיס פַּרְסָה הוּא, וְשֹׁסַע שֶׁסַע פַּרְסָה, וְהוּא, גֵּרָה לֹא-יִגָּר; טָמֵא הוּא, לָכֶם.‏ 7 And the swine, because he parteth ...
-1
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1answer
194 views

why was technology withheld for so long from man

Why did God withhold the discovery of modern technology from man until recently? what is the reason for this and why does this reason not apply in our era? (according to the shaar bitachon ch.3 God ...
14
votes
7answers
319 views

Zmanim accuracy before digital clocks?

How was time measured for the purpose of Zmanim before we had accurate clocks like we do today? Was it possible to accurately determine Chatzos (at night) or the different watches of the night? I know ...
2
votes
0answers
277 views

May a Jew own/operate a blog open to comments?

In light of recent events I would like to know if a Jew may own and operate a blog or website which is open to comments if it is found that comments can often contain lashon hara, rechilus or motzei ...
2
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0answers
145 views

Am I allowed to wear my Pebble Watch on Shabbat? [duplicate]

The Pebble is a smart watch that connects to a smart-phone via Bluetooth and can deliver messages to your wrist. Am I allowed to wear it on Shabbat if I disconnect it from my phone? Think of it, then, ...
3
votes
0answers
213 views

Can a healthy person use a shabbos elevator?

Can a person who has no health issues make use of a shabbos elevator?
12
votes
1answer
667 views

Is programming against Judaism?

I just recently learned about this site when I saw Judaism was one of the stack overflow topics. I have been Jewish all my life and two years ago I started programming. I was wondering if there ...
1
vote
2answers
382 views

Would the internet be considered muktzeh due to Nolad (a new thing)

There is a category of muktzeh on shabbat called Nolad. Nolad means literally, something that is born on shabbat. It is interpreted in the modern era, as meaning anything which you did not have ...
3
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0answers
151 views

May I vote Stack Exchange answers up or down during Chol Hamoed?

Stack Exchange websites, such as Mi Yodeya, include a "voting" feature. They let me click an "up arrow" icon to indicate that a post is useful, or a "down arrow" icon to indicate that it's not useful. ...
18
votes
5answers
1k views

Why do music tapes and CDs warn about playing on Shabbos?

I have seen written on almost every music CD and Cassette Tape that I have in my house the line: Please do not play on Shabbos and Yom Tov I've always wondered if this is really necessary. Does ...
7
votes
2answers
645 views

How does Shabbos/Yom Tov mode on a stove work?

Star-K certifies the shabbos mode on some modern stoves. (Oh how I pine for the day of simple rheostats on electric stoves, and pilot lights on gas stoves! Those were the days...) Our GE gas stove ...
6
votes
2answers
308 views

Are robo-calls permitted?

A robo-call is an automated phone call that does not involve a human caller. The majority of these are uninvited solicitations (either for money or votes), and these are the ones I'm asking about. ...
4
votes
3answers
413 views

Does amirah L'akum apply to robots?

Can you ask/instruct a robot on shabbos to perform melacha on your behalf? Would this fall under the same category as amirah l'akum?
1
vote
1answer
262 views

Are preservatives called a “davar ha'mamid”

At the end of YD Siman 87 we find the dinim of "mamid". Over there it's speaking about cheese made in the skin of the kevah of a nevilah of treifah. The Rema explains that because it is an issur for ...
3
votes
0answers
65 views

Best practices for long-distance Nihum Aveilim and Kavod HaMeith

What are some best practices for people who learn from afar of the passing of an individual (not immediate family) and who want show their respects to the deceased and the surviving family? If they ...
4
votes
1answer
767 views

Removing facial hair by laser treatment (for a man)

May a man remove his facial hair with a laser treatment? (that is the hairs that are normally ossur to remove by way of a razor.)
2
votes
0answers
63 views

Downloading Torah in the bathroom [duplicate]

Possible Duplicate: Hashems name on device I know this sounds a little ridiculous, but this has actually happened to me. Let's say you are using a smartphone to download a lengthy Devar Torah, a ...
8
votes
1answer
325 views

Shaking a no-battery flashlight on Shabbos

What is the problem with shaking one of the no battery/shaking flashlights which is on on shabbos?
7
votes
0answers
266 views

Does closing a browser with His name count as a sin? [duplicate]

Possible Duplicate: Hashems name on device Is it permissible to erase the name of G-d from an E-reader? What are the practical limits of shaimos in the common era? Forgive me if I get some of ...
3
votes
1answer
1k views

Self-winding wristwatches on Shabbos

Can self-winding wristwatches be used on Shabbos?
10
votes
1answer
411 views

Electronic communication immediately before wedding

Is it permissible to chat with your future spouse during the week before the wedding when you are not supposed to see each other face to face? Are any, all, or none of the following permissible: Text ...
13
votes
4answers
3k views

Who determines the kosher status of “new” foods?

Who determines the kosher status for "new" processed foods (e.g. Jell-O)? A few orthodox rabbis' approval? General consensus by the Jewish religious community? Certain kosher standards organizations? ...
8
votes
4answers
536 views

Will rabbis allow brainy Shabbat driving?

Saw this news story a few days ago about a car being driven with just thought, using a special cap with sensors. http://www.jpost.com/Sci-Tech/Article.aspx?id=215704 To me this still seems entirely ...
18
votes
1answer
1k views

Can a live video feed remove the prohibition of Yichud?

I was wondering if and how a public videostream could affect a potential yichud situation. For example, may a single guy and girl be secluded if they set up a continuously broadcasting camera and ...
-4
votes
3answers
815 views

Is Sex Outside Marriage Still a Sin After the Invention of Paternity Tests?

I asked something like this. The reasoning if I can remember: You should not sell your daughter as prostitute. Rambam said that all sex outside marriage is prostitution. Therefore sex outside ...
5
votes
1answer
913 views

How can I slow-cook dairy if my slow-cooker is meat?

I have a (meat) slow-cooker and very occasionally want to be able to slow-cook dairy foods. Is it possible to adapt my existing appliance for this purpose? The slow-cooker consists of a glazed clay ...
14
votes
2answers
2k views

Why is it ok to use tap water/toilets on Shabbos? Considering the source of the water pressure

Why is it ok to use tap water/toilets on Shabbos? Considering the source of the water pressure. The water pressure that enables the water to flow out of the tap has to come from somewhere. It is ...
10
votes
3answers
347 views

Beracha upon seeing a friend on a webcam

The Shulchan Aruch (OC 225:1) rules: שולחן ערוך אורח חיים הלכות ברכת הפירות סימן רכה הרואה את חבירו לאחר שלשים יום, אומר: שהחיינו, ואחר י"ב חדש מברך: מחיה מתים, והוא שחביב עליו הרבה ושמח ...
9
votes
1answer
449 views

Dropping a phone siddur or chumash

If you have a siddur or chumash on your phone and you drop it, do you kiss it if... the siddur is not open the siddur is open, but shem hashem is not showing the siddur is open and shem Hashem is ...
7
votes
1answer
112 views

Water from hydroelectric plant for netilat yadayim?

The Shulchan Aruch OC 160:2 rules that water with which one has done "melachah," is disqualified from netilat yadayim. Does this include water which has flowed downstream from a hydroelectric plant?
5
votes
2answers
230 views

Is glow in the dark Jewelry muktzeh?

Is a glow in the dark necklace or bracelet muktzeh? Would any action I needed to take matter if I was already wearing it before Shabbat started?
4
votes
2answers
210 views

What does “aerosol” have to do with spitting in the wind, or winnowing?

In this answer over here it is explained, that a "question" comes up with aerosol cans, based on a gemora which asks if spitting in the wind counts as winnowing. Now, the spitting in the wind case ...
14
votes
2answers
234 views

Rabbinic Responses to Landline Telephones

Recently the use of cellphones and smartphones has met with a lot of criticism in some communities. I'd be interested to see if landline telephones encountered any similar opposition when they were ...
10
votes
1answer
389 views

May one reheat food on top of a crock-pot or urn on Shabbos?

According to my understanding cooked or baked food that is currently cold, may be placed on top of a pot that is on a blech on Shabbos to warm up. What about putting cooked or baked foods on top of ...
8
votes
1answer
600 views

Do Orthodox synagogues have audio induction loops? Can they use them on Shabbat?

Let's assume we follow Rabbi Moshe Feinstein's ruling that hearing aids are permitted on Shabbat, but microphones are not. What about installing an audio induction loop in the synagogue? It would ...

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