Questions about how Judaism interacts with technological innovations.

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4
votes
0answers
131 views

Sous-vide cooking for Shabbat

Sous-vide is a method of cooking food slowly, at a precisely-controlled temperature. This article in the New York Times reports that this method is becoming more and more accessible to and widespread ...
14
votes
5answers
602 views

“Silk-Screened” Sifrei Torah

What are the halachic issues with Silk-screened sifrei torah? I am interested in a summary of concise halakhic rulings of multiple authorities on the prohibition or permissibility of HaRav Yitzchak ...
3
votes
1answer
59 views

Operating Cameras on Shabbat

Would it be permissible to take a picture with a film camera operated mechanically? If not what would be the melacha involved?
4
votes
1answer
297 views

Sh'kiya alarm app (iOS)

Since the time-change, I have been rather off in calculating when I should say minchah. Is there an app which has an alarm for sh'kiya (or secular sundown timing if they differ) which is available for ...
4
votes
1answer
145 views

Apple Watch on Shabbat

Tech experts: Is there any way in which the Apple Watch could be used by shomrei Shabbat with limited functionality? Note: this question does not seek to ascertain whether the full gamut of features ...
15
votes
1answer
520 views

Can I make a mikvah using artificial rain?

If I have a mikva which needs filling, and there is no rain, can I use the following mechanism - I have a Mikva in a closed room. On top of this Mikva, there is a cooling system (let's say that this ...
3
votes
1answer
90 views

Microwave oven and goy (me) cooking [duplicate]

Is cooking kosher food by a Goy - in this case me (doing giyur) in a microwave oven making the oven unsuitable for use by a Jew? I asked one rabbi who said there is no halakhic issue. I live in a ...
2
votes
0answers
59 views

Why does this app require me to agree not to use it on Shabbat?

I downloaded a Shabbat Alert app for my iPad, because i needed an alarm that would shut off after a few minutes. It worked fine (except that my iPad was muted), and it seemed to be quite halachic. In ...
10
votes
4answers
206 views

Online tool for minyan management?

If I'm running a small minyan that sometimes has a quorum and sometimes doesn't, and I'd like to only hold the minyan when I know we'll have ten, is there an online tool to help me manage this?
9
votes
2answers
305 views

Do photocopies of torah need to be put in shaimos?

Do photocopied sheets (such as chumash or gemara) need to be put in sheimos or can they be thrown straight into the garbage?
11
votes
1answer
207 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 ...
2
votes
0answers
19 views

Listening to a Jewish broadcaster in the US after Shabbat ends in Israel [duplicate]

Many baseball games (for example) take place Saturday afternoon in the US. This generally corresponds to beginning (or mostly taking place) after Shabbat ends in Israel. If the broadcaster of one of ...
10
votes
1answer
155 views

Cell Phone Jammers in Halacha

I could not imagine cell phone jammers would be מותר, but perhaps my gut-feeling is wrong... Either way, I would be interested in knowing how they fit into halacha, and what the reasons behind ...
7
votes
3answers
226 views
5
votes
3answers
151 views

my cellphone is off on Shabbat but the voicemail still takes a message

I don't use my cell on Shabbat, it is turned off but calls still go to my Voicemail. Is this permissible? I don't have the option of turning voicemail off only for Shabbat. It seems it is either set ...
6
votes
1answer
135 views

Software for organizing a “thing” gemach

I'd like to organize a baby clothes gemach in my area and I was wondering if there was any software that people have used to do this, or if this was a piece of software I'd have to write on my own. ...
5
votes
2answers
702 views

Why should A Capella music be allowed during Sefirah/Three Weeks?

Background: I'm not sure how I feel about: a)the custom to refrain from listening to recorded music during Sefirah or b)the assumption that recorded a cappella music is not considered instrumental ...
2
votes
0answers
51 views

Are there digitized Sefer Torahs?

I have heard that it is common these days for digitized images to be made when a Sefer Torah is written, though we don't have any such images at the shul I attend. Having yet to find a tikkun that ...
0
votes
1answer
88 views

Can I get a digital copy of the Journal of Halacha?

I was reading a sefer which cited the Journal of Halacha and Contemporary Society #35. Can I get a digital copy of this Journal?
1
vote
0answers
43 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 ...
8
votes
1answer
146 views

Referencing Iron before the Iron Age

A guest brought up this question at the shabbos table, and no one had an answer. In D'Varim 8:9 it says "...a land whose stones are iron...". The question this guest asked was: How is it that the ...
10
votes
4answers
520 views

How to learn Amidah, Shma and others?

I live 3000km from shul and take conversion classes remotely. I am learning from Koren Siddur. Because I do not ever hear how the words should be spoken, I sometimes wonder if it is a waste of time. I ...
0
votes
0answers
29 views

What is the proper reaction to hearing the Shem Hameforash from some form of technology?

Related to this question the the linked questions there What is the appropriate response to hearing the Shem Hameforash through some form of technology like a recording or live stream?
2
votes
1answer
167 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 ...
5
votes
0answers
74 views

Do the laws of Ribis apply to loans of virtual currency?

If a Jew lends a player in a multiplayer online game money, and he knows without a doubt that that player is Jewish, does the prohibition of ribis apply? (After all, the only thing that changed was a ...
8
votes
1answer
274 views

Unintentional closing and opening of electrical circuits on shabbat

As a non Jew, after reading Why are Shabbat loopholes a good thing? I have been pondering the above question: The Torah forbids closing/opening electrical circuits on Shabbat. - Danny Schoemann ...
3
votes
1answer
194 views

Using a neighbor's encrypted Wi-Fi connection

This question asked whether or not one is allowed to use a neighbor's unencrypted (unlocked, without a password) Wi-Fi connection. This question touches upon a lot of different things in American law ...
6
votes
1answer
75 views

Placing a stumbling block before someone trying to take advantage of me?

CAPTCHA stands for completely automated public turing test i.e. its function is to determine whether I am a human. Some CAPTCHA images are pictures of house numbers taken from Google street view. ...
7
votes
1answer
266 views

Mission to Mars: halachic challenges

There is talk in the scientific community of a manned Mars mission: sending an elderly couple to slingshot past Mars and return to Earth as a trial mission, toward eventual other missions that will ...
1
vote
1answer
78 views

Answering a virtual kaddish?

If you hear someone saying kaddish virtually (such as at a virtual siyum, or a streamed ceremony), should you answer amen? Note that this is talking about when listening live. Does it make a ...
7
votes
4answers
201 views

Amen for Recorded Brochos

Many times I listen to recorded Shiurim (lectures) where the speaker says a Brocho (usually Shehakol on a drink). Should one answer Amen to such Brochos?
1
vote
1answer
101 views

Am I allowed to interrupt someone in the middle of Shmoneh Esreh if my question is related to davening?

My friend and I are in the middle of davening Shmoneh Esreh. Rather than talk, I text him, "I don't remember if today is Rosh Hodesh. Do we say 'Ya'aleh V'yavo?'" Can I interrupt my friend for this ...
33
votes
7answers
2k views

Is it permissible to erase the name of G-d from an E-reader?

Most people seem to be lenient about shemos on digital screens in general (though Bar-Ilan does avoid displaying the Tetragrammaton.) The letters on the screen are just light, there is nothing really ...
7
votes
1answer
150 views

Does halacha require me to install ad-blocker software?

There are so many Internet banner ads out there that contain immodest content. Say I own a personal computer and I use it every day for Facebook, email, and Web surfing. Does Jewish law require me to ...
5
votes
3answers
253 views

Would time travel be assur/mutar?

Inspired by this question which the author states is not a question of issur/heter. Assuming time travel is possible (to the future or past) is there any reason it should be assur?
2
votes
0answers
94 views

To know in advance when one is a niddah

The gemoro and shulchan aruch has much to say about 'vestos', way to find out in advance when one will be a niddah, which rarely work today. There are modern methods which do work: does one have to ...
36
votes
7answers
2k views

May I use my neighbor's Wi-Fi without asking permission?

My neighbor has never set up password protection on his wireless router. If I wanted, I could wirelessly connect to his high-speed Internet service. May I use his Internet service without asking him ...
1
vote
2answers
111 views

Is there a way to find proximate words?

I am looking to see if certain words in the tanach are used in proximity to other words. Other than looking a word up in my Even-Shoshan and reading through each instance and seeing if the other word ...
2
votes
1answer
99 views

Slaughtering with a machine

May one slaughter kosher animals with a machine? I don't mean to ask this question about restraining animals, what I want to know is if one may use a machine to actually make the cut, to actually ...
-3
votes
2answers
119 views

Would whole brain emulation be compatible with Judaism?

Many people theorize that in principle, the brain could be uploaded to a computer which would then contain the person's consciousness. Would a successful demonstration of this be compatible with ...
15
votes
5answers
407 views

Overhead projector on Shabbos?

A discussion came up with some guests over shabbos. One asked if one could use an overhead projector on Shabbos if it was turned on from before, i.e. could one put a new plastic sheet on it or not? In ...
4
votes
1answer
253 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 ...
16
votes
1answer
184 views

Attending a Siyum virtually

If one attends a Siyum virtually, whether by phone, Skype, or some other means of mass communication, can one partake of the Se'udath Mitzvah (relevant to allow eating meat during the 9 Days for ...
1
vote
0answers
50 views

Can a digital signature be used to finalize a kinyan?

That is, can a code generated by a computer act as a legally binding signature for a contractual agreement in halacha? If so, is this true even if the code is not certified by a trusted authorized ...
7
votes
3answers
289 views

Are there any tanakh search engines? [duplicate]

Possible Duplicate: Where is there a good online source to check how often a word appears in Tanach? I'm looking to find instances where music, and musical instruments, is mentioned in ...
4
votes
1answer
75 views

Solar analog watch be worn on Shabbos where in the dark the second stops?

Can a solar charge watch that the second hand stops moving in the dark after 30 minutes to save power and resumes operation when brought back in the light, be worn on Shaboss?
5
votes
9answers
415 views

Suggestions for Kosher iPhone apps

I'm an iPhone app developer with mostly Jewish & Israeli iPhone apps and I'm open to new suggestions or ideas for new apps that can be useful for Jewish people. Anyone here had a case that he ...
5
votes
2answers
453 views

Does anyone know where one can buy a hebrewbooks harddrive?

I am looking to purchase a hebrewbooks hard drive (It may very well come handy here!). Does anyone know where can I buy it online? (eichlers, etc.)
4
votes
2answers
96 views

Is a head-mounted lamp better than a candle for bedikas chometz?

A LED or Xenon lamp attached to the head (link shows example) seems to be ideal for bedikas chometz and superior to a candle? Do contemporary poskim offer a view?
1
vote
1answer
115 views

What Bracha do we say on bread baked with evaporated mei peiros?

If one bakes bread made out of flour and pure fruit juice, it becomes pas haba bekisnin and the bracha is (at times) mezonos. What if one distilled fruit juice (to produce water) and baked bread out ...