Questions about how Judaism interacts with technological innovations.

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3
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2answers
240 views

Yichud in Elevator

Is there a problem of Yichud in the elevator? (especially considering there's a possibility that the elevator may get stuck) [and specifically those without cameras]
3
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1answer
197 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 ...
3
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3answers
117 views

Electric Menorah

Are electric menorahs good for lighting on Chanukah? To remove some of the more obvious issues, let's assume that: It runs on batteries It's an incandescent bulb There are separate physical ...
3
votes
1answer
155 views

What bracha should be made on hydroponics/aeroponics?

Hydroponics is a method of growing food (mainly vegetables) with their roots in water, not soil. Aeroponics is when it is grown in air, with the roots being sprayed. What bracha should be made on ...
3
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1answer
70 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?
3
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1answer
805 views

Self-winding wristwatches on Shabbos

Can self-winding wristwatches be used on Shabbos?
3
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3answers
475 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.
3
votes
1answer
98 views

Looking at a Kohen's hands on Video

One is not allowed to look at a Kohen's hands while he is performing Birchas Kohanim (source: my Artscroll siddur, but it is well-known too) Would this also apply if one was looking at a video of the ...
3
votes
1answer
44 views

Would there be any maaser derabbanan on hydroponically grown plants?

Related: What bracha should be made on hydroponics/aeroponics? This question was originally mentioned by Rabbi Eliyahu Fink in his Daf Yomi shiur (Shabbat 128). He was talking about tevel d'rabanan ...
3
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3answers
693 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 ...
3
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2answers
259 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
233 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?
3
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2answers
90 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
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1answer
129 views

Wirelessly recharging a light-emitting diode on Shabbos

Could one use wireless recharging technology (see http://home.howstuffworks.com/question292.htm) to power a light-emitting diode (which does not have a filament that gets hot (see ...
3
votes
1answer
136 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 ...
3
votes
1answer
83 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 ...
3
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2answers
97 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, ...
3
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2answers
71 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 ...
3
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0answers
56 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 ...
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0answers
105 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 ...
3
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0answers
102 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
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0answers
51 views

Best practices for long-distance Nihum Aveilim and Kavod HaMeith

What are some best practices for people who learn from afar of the passing of an individual (not immediate family) and who want show their respects to the deceased and the surviving family? If they ...
3
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2answers
35 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?
2
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2answers
121 views

Measurements for the Bais HaMikdash — can we do it with a computer?

Since everything is computerized now, when the Bais HaMikdash is rebuilt, will we use the computer to rebuild? I.E., the measurements for the offerings, the entire rebuilding, etc.?
2
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4answers
1k views

Looking for a good English-to-Hebrew translation software

I'm looking for a translation software, or website, that accurately translates entire sentences and paragraphs from English to Hebrew, without grammar mistakes or funny language usage. Anyone know of ...
2
votes
1answer
106 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 ...
2
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2answers
249 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 ...
2
votes
1answer
76 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
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2answers
135 views

Is a library book with an embedded RFID tag a problem on Shabbos?

RFID tags have very many uses in identifying different objects via radio waves. Recently, libraries have started using them to help keep track of books. I would imagine that the tags, in themselves, ...
2
votes
1answer
100 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 ...
2
votes
1answer
280 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 ...
2
votes
1answer
77 views

Microphone for Meggilah

Can one be Yotzeh Meggilah on Skype or webcast or through a microphone or telephone is there a difference between each? Does a Hearing Aid disqualify a person from being Yotzeh the Laining?
2
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0answers
42 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 ...
2
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0answers
65 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
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1answer
74 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" ...
2
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0answers
32 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 ...
2
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0answers
85 views

Can a smartphone count as a sefer for stacking purposes?

Considering that, these days, you can have quite a bit of Torah on cellphones (indeed, on my iPhone I have all of Tanach, Siddur, Halachic works, Jastrow dictionary, etc.), is it possible to make an ...
2
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0answers
141 views

What technology did King Solomon have?

I'm looking for sourced statements of modern technology possessed by King Solomon. So far I have seen: An answer here quotes the idea that King Solomon had a flying carpet of sorts. The Ben ...
2
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0answers
56 views

Is it permissible to bring back extinct species?

Is it allowed according to halacha to bring back extinct species? The technology is on its way, and i have seen some discussion in non-Jewish contexts about the ethics of it, and how we might be ...
2
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0answers
54 views

Is one allowed to carry an object through an opposite force on Shabbos?

Say one had a strong magnetic force attached to his shoe in a way that was not considered carrying. Would he be able to point his shoe in a Reshus Harabim and move something with opposite magnetic ...
2
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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 ...
2
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0answers
66 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 ...
2
votes
1answer
209 views

Making up a synagogue calendar manually is tedious work. Which software can do the calculations automatically?

Lots of synagogues print up a customized calendar every year. (Sample.) Such a calendar includes shul-specific information (e.g. service times and maybe a weekly class or two) and general information ...
2
votes
0answers
119 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?
2
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0answers
258 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
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0answers
126 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, ...
2
votes
0answers
120 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. ...
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0answers
170 views

Can a healthy person use a shabbos elevator?

Can a person who has no health issues make use of a shabbos elevator?
2
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0answers
59 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 ...
2
votes
1answer
148 views

Could the 'air conditioner' shown here be run during shabbat?

I saw this DIY video, and was wondering if such a fan could be run before shabbat started and left running as shown? The video on this page (Ignore the article): ...