Questions about how Judaism interacts with technological innovations.

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3
votes
1answer
111 views

Are there any fonts that allow for the name of Hashem to be typed the way it is in Sephardi siddurim?

I'd like to be able to typeset various tefilos on my computer, so I'd like to be able to type the name of Hashem the way it appears in Sephardi siddurim, like this: Are there any fonts that allow ...
7
votes
2answers
263 views

Pokemon Go and Churches

This is intended to be an academic question. All practical halachic questions should be decided based on a consult with your local Orthodox rabbi. Pokemon Go is a new game for smartphones where you ...
0
votes
1answer
69 views

Does a dam invalidate all water downstream of its river for mikveh?

One of the requirements for a mikveh is that a body of water may not be artificially redirected or rechanneled. Does that mean, for example, that an entire river downstream of a dam, either for ...
6
votes
3answers
119 views

Acceptable to receive transplant of organs grown inside pigs?

If scientists could grow human organs inside of pigs, would it be halachically acceptable to receive a transplant of such an organ? A recent article in National Public Radio about US and British ...
10
votes
2answers
101 views

Jewish Minecraft instructions?

My 8 year old son wants to build a mizbeyach or a simple beit hamikdash structure on Minecraft. I know nothing about Minecraft and he is not great at it, though he uses it a lot. Does anyone know how ...
3
votes
1answer
761 views

Can DNA be used as evidence to prove that someone is Jewish?

Apparently, there were a number of child Holocaust survivors who were separated from their parents and never found them. They were adopted and raised by Non-Jewish families. As they became adults, ...
1
vote
3answers
49 views

Seeking additional information about the “seasonal drift” problem of the Judaic calendar

During my shul's annual *Tikun Leil Shavuot", I plan to give a short lecture about the "seasonal drift" affect of the Judaic calendar. See this Mi Yodeya answer for additional info. I could use some ...
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
62 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
96 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 ...
4
votes
0answers
40 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 ...
5
votes
1answer
149 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
98 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. ...
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 ...
-1
votes
1answer
82 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 ...
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 ...
4
votes
2answers
115 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 ...
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 ...
0
votes
1answer
59 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 ...
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?
4
votes
2answers
101 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 ...
3
votes
2answers
85 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 ...
4
votes
0answers
138 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 ...
13
votes
1answer
152 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] ...
13
votes
2answers
189 views
+50

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
4answers
129 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 ...
2
votes
0answers
51 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
111 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
39 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?
5
votes
0answers
81 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
55 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 ...
1
vote
1answer
52 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 ...
0
votes
0answers
41 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
77 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
84 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?
2
votes
1answer
94 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" ...
5
votes
1answer
332 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
40 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 ...
8
votes
1answer
256 views

Is shaving with this kosher?

Is shaving with this laser shaver kosher? I don't keep a beard and not looking forward to keeping one at all but I don't use razors etc, only electric shaver etc. This "razor" uses a laser for "...
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 ...
3
votes
2answers
116 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 ...
3
votes
2answers
153 views

Is an on-call doctor allowed to read non-emergency text messages on Shabbat?

My shul has a few doctors who carry their cell phones with them. When their phones buzz (B"H, they are smart enough to put the phones on vibrate mode while davening.) with a text message, they, of ...
1
vote
0answers
48 views

Large scale hydroponics and Shmita

The gemara in Nedarim 59 (among many other places) discusses the concept of shmita produce and plants grown from them retaining their status when the original "seed" isn't destroyed when planted. In ...
0
votes
2answers
72 views

Depilatories- creams or “shaving powders” on Shabbos

Is it permissible to use Depilatories (creams or "shaving powders" which chemically dissolve hair) on Shabbos? and if not- why?
0
votes
1answer
86 views

I am looking for the Torat Emet program to list verses for names

I am looking for a direct link to the Torat Emet program that helps you find verses for your hebrew name. I am looking for more verses for my name to use during the shmona esrei. I saw a mention of ...
1
vote
0answers
100 views

Using the Coravin on shabbat

There is a new device called the coravin which allows one to insert a needle into a cork of a wine bottle and the wine flows through the needle by using argon gas (protects quality of wine) and by ...
0
votes
0answers
32 views

Is one allowed to use a nasal filter or gas mask on Shabbat or Yom Tov?

These are products that are used to protect from chemicals/pollen/dust allergy or pet hair. A water filter I see would be mussar if the water is basically clean as was already asked here: Using water ...
0
votes
0answers
60 views

Can one carry a GPS operated timed device across a time zone on Shabbat?

I read somewhere, that if you set a timer before Shabbat, you are not allowed to adjust the timer or clock on Shabbat to reset the time that something goes on. So, let's say that you live in ...
3
votes
2answers
188 views

Surrogate mother

If a fetus has been formed in a mother and then deposited in a surrogate mother, who is considered the mother? In other words, does the mother's 'seed' make her the mother? The story of Yosef and ...