1
vote
0answers
37 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 ...
1
vote
0answers
64 views

Why can't we drink wine that was made by a non Jew but by machine

Why can't we drink wine that was made by a non Jew but was made from beginning to end by machine? Needless to say that according to the Gemara that it is only yayin nesech, if the non Jew makes An ...
2
votes
0answers
58 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?
3
votes
0answers
28 views

plastic utensil absorption and kashering

Does a plastic utensil swallow up taste and excrete it out like metal,or is it like glass. Also can plastic be kashered if it became treif? What are the sources that discuss this?
2
votes
1answer
166 views

Is one permitted to watch tv or movies with immodest women?

Is a man permitted to watch tv or movies that feature immodestly dressed women? Assuming one will not have improper thoughts, is it prohibited to look at an immodestly dressed woman on a screen? Are ...
2
votes
1answer
67 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
0answers
39 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?
-1
votes
1answer
61 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
77 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
74 views

Slide Rule on Shabbos/Yom Tov

May a slide rule (mechanical device before calculators) can be used on Shabbos for Gemara calculations?
9
votes
2answers
260 views

Brewing fresh coffee for Shabbos with a time clock

May one prepare coffee ingredients in a brewer such as this one on Friday and set the timer to brew the coffee for 8:00 Shabbos morning?
5
votes
0answers
74 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
266 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 ...
2
votes
0answers
82 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?
5
votes
1answer
159 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 ...
0
votes
0answers
72 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
40 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 ...
7
votes
1answer
154 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
2answers
143 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 ...
8
votes
1answer
177 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, ...
1
vote
1answer
159 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 ...
3
votes
1answer
136 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 ...
7
votes
1answer
113 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 ...
3
votes
3answers
240 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.
13
votes
2answers
304 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 ...
2
votes
0answers
220 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
votes
2answers
145 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 ...
17
votes
3answers
546 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 ...
1
vote
0answers
114 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, ...
0
votes
0answers
131 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 ...
1
vote
0answers
100 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. ...
1
vote
1answer
97 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 ...
7
votes
0answers
302 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 ...
6
votes
2answers
232 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 ...
1
vote
2answers
183 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 ...
1
vote
1answer
88 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 ...
2
votes
0answers
99 views

Can a healthy person use a shabbos elevator?

Can a person who has no health issues make use of a shabbos elevator?
3
votes
3answers
237 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?
0
votes
1answer
102 views

Can an 'AGA' oven be koshered?

Can an 'AGA' oven be koshered? Here are encyclopedia and video explanations of what an AGA oven is: http://en.wikipedia.org/wiki/AGA_cooker http://www.youtube.com/watch?v=kxRp9b1yFGA
2
votes
1answer
109 views

Sources on the Halachic status of creating three parent child

See here for the background. The basic idea is that the DNA is taken from the mother and father, but rather than traditional IVF, the nucleus is implanted in a donor egg. So there is no male donor ...
3
votes
1answer
178 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.)
9
votes
1answer
400 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 ...
2
votes
0answers
50 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 ...
9
votes
1answer
121 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 during the 9 Days for Ashkenazim ...
8
votes
2answers
190 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 ...
7
votes
1answer
110 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
0answers
79 views

Is it acceptable to use software which incidentally blocks ads?

A question on this site on whether ad-blocking software is permissible suggests that the answer is that it probably, but not definitely, is acceptable. I don't use ad-blocking software myself, but I ...
5
votes
0answers
157 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? ...
7
votes
0answers
132 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 ...
1
vote
1answer
321 views

Does Jewish law forbid Internet usage?

The Ichud HaKehillos LeTohar HaMachane anti-Internet rally is coming up in a few weeks, on May 20, 2012. What do contemporary halakhic authorities say about the permissibility or prohibition of using ...