Questions about how Judaism interacts with technological innovations.

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2
votes
0answers
96 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
112 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
100 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
124 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
418 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
366 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
216 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
54 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
307 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
79 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
426 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
471 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
97 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
121 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 ...
12
votes
3answers
721 views

Am I allowed to view a Kotel Cam on Shabbos?

If there is a camera in Israel that is operating on Shabbos, am I (a person living in America, where Shabbos only starts 6 or 7 hours later) allowed to view such a camera? I suppose the same could be ...
1
vote
3answers
132 views

Why wasn't the Torah given to klal Yisroel as a DVD?

The obvious answer is that they didn't have DVDs back in Moshe Rabeinu's time. But still, Hashem could have created them back then. My question, "Why wasn't the Torah given as a DVD?", is really ...
6
votes
0answers
202 views

Prosthetic limbs in halacha

What is the status of prosthetic limbs in halacha in terms of being considered part of the body? Is it considered: As if I were born with it? As a living piece of flesh, but not a piece of me? ...
3
votes
0answers
100 views

Is wine from a Miracle Machine subject to Stam Yenam?

This article describes a kickstarter for a machine to make wine quickly out of grape juice concentrates. My question is twofold: Is such wine subject to stam yenam? Is it even Borei pri hagafen?
2
votes
1answer
91 views

May one set posts for Shabbos?

Tumblr has a feature where one can, instead of posting something at the time it it written or a set time, you can add it to a "queue". It will then post a set amount of posts per day as long as there ...
3
votes
3answers
612 views

Where can I find a professionally typeset pdf siddur suitable for mobile viewing?

I have used a number of siddurim apps for my smartphone/tablet and have found the text layout so abhorrent (nikkud floating all over the place, unprofessional kerning, ugly fonts etc.) that I've given ...
-1
votes
1answer
84 views

Will editing genome of embryo having Jewish parents diminish Jewish status of later child? [closed]

There's a dreadful genetic illness known as Tay-Sachs requiring two carriers to activate the fatal effects in a child. Probably, in reaction to the 20th century eugenics movement and its terrible ...
0
votes
0answers
184 views

Nespresso Machine Tevilas Keili alternatives

I recently acquired a new Nespresso coffee machine that will most probably be damaged if immersed. (The warranty will be void if immersed). Are there any alternatives to Tevila? I've heard you can ...
4
votes
0answers
101 views

Slide Rule on Shabbos/Yom Tov

May a slide rule (mechanical device before calculators) can be used on Shabbos for Gemara calculations?
1
vote
1answer
44 views

pidoyon haben for a baby born from egg donation?

If a non married bat Cohen donates an egg to a yisraelite couple who have a first born son from it, do they have to do a pidyon haben?
1
vote
1answer
52 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?
20
votes
1answer
267 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 ...
5
votes
0answers
92 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 ...
4
votes
2answers
1k views

Jawbone UP on Shabbat

I recently received a new gadget: The Jawbone UP band. Look it up on Google, but the basic idea is it is a bracelet you wear 24/7 that measures all kind of things while you move around. Should it be ...
10
votes
1answer
207 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, ...
9
votes
4answers
875 views

Walking by an Automatic Door on Shabbos

Is one allowed to walk by an automatic door on Shabbos, if he/she has no benefit of the door opening (i.e. not walking in)? How does this case compare/contrast to the walking by an automatic light on ...
2
votes
2answers
223 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 ...
28
votes
4answers
2k views

bicycle on Shabbat?

Is riding a bicycle on Shabbat permitted within an eiruv, being ridden only on pavement (so no unintended plowing), for transportation and not exercise, and with the understanding that repairs aren't ...
2
votes
0answers
102 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?
11
votes
2answers
284 views

Cryonics in Judaism

I was recently reading an article about cryogenics, there are around 200 bodies frozen in cryogenics labs around the world, and in the article they said that in the near future they may be able to ...
0
votes
1answer
133 views

Pirating software

I have heard from numorous 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 ...
8
votes
1answer
228 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 ...
3
votes
3answers
411 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
78 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 ...
10
votes
3answers
462 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 ...
3
votes
2answers
94 views

Halachah: What's the difference between this site and looking up a question in a book?

Per our oft-cited FAQ, and our frequent use of the disclaimer to consult one's own rabbi in matters of practical Halachah, we do not, as a matter of policy, accept questions, or provide answers, ...
1
vote
0answers
43 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 ...
6
votes
2answers
259 views

Embryo adoption and status as a Jew

My wife and I we are Gentile, and we will adopt a (frozen) embryo, probably in Israel. If the ovocyte of the embryo comes from a Jewish woman, and later my wife gives birth to this baby, can the ...
3
votes
1answer
225 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
votes
2answers
393 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 ...
2
votes
1answer
263 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 ...
25
votes
3answers
866 views

While playing a computer game, may I “worship” one of the game's “gods” to help me win?

I sometimes play a certain computer role-playing game (RPG). In this game, my character (whom I might name after myself but who does not otherwise resemble me) fights mythological creatures and ...
9
votes
1answer
159 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 ...
5
votes
8answers
919 views

Digital Synagogue displays?

Why do Synagogues use or not use them? Bonus: What are some of the companies that make these digital wall displays for synagogues? How much do they cost? Does anyone know where I can find info ...
7
votes
3answers
360 views

Website for tzuras hadaf

A couple years ago, I chanced upon a site for creating a tzuras hadaf layout on the Gemara. The website used a custom markup (using tags) to create the layout, and it was a community project that ...