Questions about how Judaism interacts with technological innovations.

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2
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1answer
108 views

Can meat grown from living cells be kosher? Is it eiver min hachai?

Earlier questions such as In vitro meat — further questions dealt with meat grown from stem cells of slaughtered animals. This question is specifically about meat grown from stem cells taken from live ...
2
votes
1answer
63 views

Can one wear Yaktrax on Shabbat?

Yaktrax is an ice traction "device" that you slip onto the bottom of your shoe. Can one wear this on Shabbat? Possible concerns: boneh - "building". Wearing the device involves stretching a band ...
0
votes
0answers
21 views

Can you double wrap chametz food in the oven before Pesach? [duplicate]

I am going largely by hearsay on this... Two reliable rabbis have told me that if you want to heat kosher food in a non-kosher oven, you can double wrap the food in foil and heat it in the oven, and ...
2
votes
0answers
57 views

What halachic principles are involved in starting the iRobot on Shabbos with a timer? [closed]

What halachic principles are involved in starting the iRobot on Shabbos with a timer? Can it be turned on anytime or just at night? Is it like security cameras in that it is OK to walk by them if ...
2
votes
1answer
92 views

Scheduling Email for 3AM and Gneivas Daas

Is is permitted to schedule an email for the wee hours of the night, like 3AM, to give the impression that you were working late? Is it significantly well known that there are services like ...
10
votes
3answers
378 views

“Siri, sing to me” - Kol Isha?

As i say in this Purim Torah answer, we can't use smartphones because "The vaad found out that Siri's not a guy". (From the song Hang Up the Payphone by A.K.A Pella.) However, that inspired a ...
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 ...
2
votes
0answers
46 views

Looking for online German (Yekke) Torah Trope practice

As a lad, I often attended a German (Yekke) shul in my neighborhood, where they used the Yekke Torah trope. My main shul sometimes used this trope during Yom Tov readings. (I.e. - the Yekke trope is ...
4
votes
2answers
86 views

T'chum shabas maps?

There are many better or worse maintained maps of eruvei chatzeros available to the public, which are a boon to travellers to a new place interested in where they can move things outdoors during ...
2
votes
1answer
92 views

Is there an Android Tikkun App that has sound?

During the "pre smart phone days" (Yes, that DID exist), I used Trope trainer to practice some of my laining and to train my kids and some Bar Mitzvah boys. I recently downloaded the "Tikkun Korim" ...
4
votes
0answers
39 views

Has there ever been an expert system (i.e. computer program) developed for answering simple halachic queries?

As a computer programmer and student of the Torah, I've conceptualized the idea of codifying halacha - quite literally - in an expert system, allowing one to submit halachic queries and receive ...
-3
votes
1answer
92 views

Chassidic aversion to dual-sided implement-wearing

Disclaimer: This may sound like purim-torah-in-jest, but since Mi Yodeya has pasken'ed that only Adar Sheni is elegible for such, I (despite my personal minhag) post this question in all seriousness. ...
11
votes
4answers
551 views

DNA and Jewish Law

Why isn't DNA seen as a valid source of Halachic decision making? Is it because it's too small for the naked eye? A margin of error problem? What? Normally, physical evidence is plenty of information ...
-1
votes
1answer
77 views

Can a public road include an underground area below it to qualify as a Reshut Harabim?

On Shabbat, one may not carry in a Reshut Harabim. Kitzur Shulchan Aruch 81:2 says that there is an opinion that a road not having at least 600,000 people passing by it daily would not be considered ...
0
votes
0answers
15 views

Deleting G-d's Name in E Ink [duplicate]

I've read the various reasons why one may 'delete' G-d names in common displays. However, EInk works in a completely different way. Am I allowed to delete G-d names which are displayed with EInk ...
7
votes
4answers
118 views

Comprehensive map/list of active Orthodox synagogues in the U.S

Does anyone know of a map or list of all the active Orthodox shuls in the U.S.? When I was looking for which residencies to apply to it was my limiting factor and sometimes it was hard to find out ...
1
vote
0answers
20 views

Peru Urevu Halacha question [duplicate]

If a jewish male donates sperm to a jewish couple who cannot have children for whatever purpose. By donating sperm does the donor fulfill the mitzvah of Peru Eruvu? If the answer is yes, then the ...
2
votes
2answers
308 views

Electronic sliding doors on shabbat

What can a person who is staying at a hotel which has only electronic sliding doors that open when one walks near them do to avoid any issue on shabbat? Wait for someone else to enter and ...
0
votes
1answer
57 views

Is there an online source for trope occurrences?

As a Torah reader, I like to find nuances and inherent meanings in trope (cantillation) nuances and "unusual" occurrences in the Torah. For example I'm looking for all the places that have two ...
0
votes
0answers
12 views

Answering a chazan via phone, skype, or web conferencing [duplicate]

Follow up to this M.Y. answer: The answer quotes Kitzur Shulchan Aruch which says, near the end that even an iron partition does not separate Jews from their father in heaven. I assume that using ...
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] ...
9
votes
1answer
711 views

List of all the Seforim Software

I'd like to compile a list of all the computer programs out there that people can use for learning/reading seforim with. There are many of them now a days (and perhaps were some in the past that are ...
1
vote
0answers
20 views

Has cryonics been treated in Rabbinic literature? [duplicate]

Has it been treated by rabbinic literature? If yes, what does it say about cryonics?
12
votes
1answer
533 views

Could stones cut with a high powered laser be used to build the Beit Hamikdash?

If Solomon's builders had access to lasers powerful enough to cut through stone, could he have used that instead of the Shamir? Stones for an altar or for the Beit Hamikdash were not allowed to be ...
0
votes
1answer
192 views

May I let my web browser save my browsing session during Chol Hamoed?

To save electricity, I like to shut down my computer every night. First, I quit my Web browser. My Web browser is set up so that, when I quit, it automatically saves my session: a list of open tabs ...
5
votes
1answer
231 views

Typing on Shabbos

If one would type on a computer on Shabbos, would he be ovar an issur d'oraisa in regards to the malacha of writing? (The other malachos involved aside for a moment.) Is there any room to say this ...
3
votes
2answers
83 views

Can one kasher anodized metal?

Anodized metal is metal with an increase in the thickness of the natural oxide layer on the surface of metal parts. Is there any issue kashering it, or is it basically like metal with a layer of rust ...
13
votes
2answers
1k views

Pirating software that has already been bought

Say, for instance, that I've previously bought a set of DVDs (for example, the workout program P90x, which contains several DVDs in a set), and that I am currently in a different country and have not ...
3
votes
0answers
61 views

The Mekor Baruch's intructions of making gold from copper

Rav Epstein in his Mekor Baruch 3:19:6 brings a story about him and a maggid. The maggid was looking for a certain sefer which instructs one how to make gold from copper. The Mekor Baruch(who had the ...
12
votes
2answers
144 views

Netilas Yadayim with automatic sinks

It seems there is precedent to allow for netilas yadayim when you don't have a cup, by turning the sink on and off for each rivi'is per hand. By employing this method you satisfy the requirement of ...
7
votes
2answers
728 views

Fitness Tracker On Shabbat

First I want to assure everyone that I asked this question to a proper halakhic authority and will proceed with my actions based on his answer. I am asking it here as well because I think it is an ...
-2
votes
1answer
69 views

Copyright issues in apps

Are there be any Halachik issues with regard to using someone else's logo, twitter avatar or the like as part of an app? If it would be okay, would that only be if I don't make any money from the ...
3
votes
3answers
253 views

Pirating software

I have heard from numerous people that there are opinions within Orthodox halacha that permit using pirated computer software. I have never seen this sourced or printed anywhere but only things like ...
3
votes
2answers
102 views

Determining the status of bedika cloths via digital media

Determining the colours on a bedika cloth is a wisdom that has been passed on from generation to generation. Preferably a bedika cloth is checked by the light of the sun ('white light'). I've have ...
2
votes
0answers
48 views

Looking for information about going to Mikvah with an IUD [closed]

I am interested in going to a Mikvah for the first time. I have an intrauterine device (aka IUD, a form of birth control) and get very little or sometimes no bleeding. I don't now how to determine ...
7
votes
1answer
95 views

Studying Torah while lying on a bed?

I often watch Shiurim and use Mi Yodeya while lying (sometimes sitting) on my bed. What are the parameters for one's position while studying Torah? Am I doing something wrong?
3
votes
2answers
37 views

Hydroponics – Allowed on Seventh Year?

Would hydroponics be allowed in Israel on the seventh year, when there are additional restrictions on farming the land?
1
vote
1answer
50 views

Does this count as Tzedakah?

I found out there's an app that gives money to charity depending on how much you run. You can choose between dozens of organizations that help stop hunger, help the homeless, cure cancer, provide ...
5
votes
0answers
75 views

Are there any contemporary “Gedolim” that prohibit the use of davening from a smart phone?

It took me a long time to upgrade my technology, but I admit that lately, I have been using my smart phone during davening. My rav doesn't object, but some of my friends told me that it's prohibited ...
4
votes
0answers
51 views

Is it better not to wear a watch on Shabbat?

I know it is permissible to wear a watch on Shabbat, and I have already perused this question about the particulars of what kinds of watch features are and are not permitted (ignoring the issue of ...
11
votes
2answers
279 views

How do soldiers in the IDF obey Deuteronomy 23:13?

The mitvah talks about ensuring every soldiers have a spade to cover their excrement. The mitvah seems to be pretty obsolete because by now we have toilets all over the place. So, how it's done? Do ...
0
votes
0answers
40 views

Nest Thermostat and shabbat [duplicate]

I'd like to know if a Nest Thermostat would be allowed by halacha? They say it programs itself and it realizes when you come home, so when you come home on shabbat, the machine will detect it, and it ...
2
votes
0answers
67 views

Television on Shabbos

Let's take as a given that it is forbidden to turn a television on or off or otherwise use electricity on Shabbat. Let's also ignore the whole issue of watching TV in the first place. We can also ...
2
votes
1answer
82 views

Is there a prayer I should say before taking off in a plane?

On Monday, I am going to take a flight. I know I should say the Shehecheyanu when I land, but is there a blessing I should say when I take off?
19
votes
3answers
684 views

Can I cause a Melacha to happen in a place where Shabbat has already started?

Can I cause a Melacha to happen in a place where Shabbat has already started? For example, if I live in New York, could I send a fax (causing the machine to print a document) to Israel on Friday ...
3
votes
1answer
84 views

Cheshbon HaNefesh Software

I'm looking for something online or an app, really anything that is on an electronic device, that can help with cheshbon hanefesh. The ideal would be a program or app specifically set up for ...
6
votes
3answers
523 views

Can you use electricity on Yom Tov

Yom Tov is slightly different than Shabbat. For example, on Shabbat one cannot cook, but one can cook on Yom Tov provided that it is from an existing flame. My question is this... Let's say I have ...
5
votes
1answer
309 views

Is it forbidden to use a sand timer on shabbos?

Everyone I know seems to say that using a sand timer (hourglass) on shabbos is forbidden. The question is why? Is it because of sifting? Is there some other melacha involved? Is it actually forbidden? ...
2
votes
0answers
37 views

Equal volume when doing birkat kohanim with a microphone

I attended a musical davening this week, and to accommodate the large crowd, the chazzan wore a microphone. The kohanim however did not. The result of this was that the chazzan's voice ended up much ...