Questions about how Judaism interacts with technological innovations.

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10
votes
1answer
223 views

Opening an umbrella indoors

Is there anything wrong with opening up an umbrella indoors according to Jewish tradition? I have met many people who view it as bad luck or possibly rude. On the other hand we are commanded not to ...
6
votes
1answer
64 views

Water from hydroelectric plant for netilat yadayim?

The Shulchan Aruch OC 160:2 rules that water with which one has done "melachah," is disqualified from netilat yadayim. Does this include water which has flowed downstream from a hydroelectric plant?
5
votes
2answers
132 views

Is glow in the dark Jewelry muktzeh?

Is a glow in the dark necklace or bracelet muktzeh? Would any action I needed to take matter if I was already wearing it before Shabbat started?
4
votes
2answers
156 views

What does “aerosol” have to do with spitting in the wind, or winnowing?

In this answer over here it is explained, that a "question" comes up with aerosol cans, based on a gemora which asks if spitting in the wind counts as winnowing. Now, the spitting in the wind case ...
7
votes
2answers
294 views

Can you leave video chat on over Shabbos?

Basically: Can you leave your computer with video chat on (to another person) on over shabbos? And what if there's also audio? For example a relative in the hospital, relatives that in a far away ...
8
votes
2answers
498 views

Is there any issue with using aerosols on Shabbos?

I've heard from many people that you shouldn't use aerosols (such as air fresheners, disinfectants or deodorants) on shabbos, usually citing some vague reason of changing the form from liquid to gas, ...
11
votes
2answers
197 views

Rabbinic Responses to Landline Telephones

Recently the use of cellphones and smartphones has met with a lot of criticism in some communities. I'd be interested to see if landline telephones encountered any similar opposition when they were ...
8
votes
2answers
354 views

Voice-activated electronics on Shabbat

Does using a voice-activated device constitute a melacha? For example, Siri on an iphone or, a even a voice-activated light-switch. Does it make a difference if the computer doesn't take direct ...
2
votes
4answers
621 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 ...
10
votes
1answer
207 views

May one reheat food on top of a crock-pot or urn on Shabbos?

According to my understanding cooked or baked food that is currently cold, may be placed on top of a pot that is on a blech on Shabbos to warm up. What about putting cooked or baked foods on top of ...
6
votes
1answer
275 views

Do Orthodox synagogues have audio induction loops? Can they use them on Shabbat?

Let's assume we follow Rabbi Moshe Feinstein's ruling that hearing aids are permitted on Shabbat, but microphones are not. What about installing an audio induction loop in the synagogue? It would ...
4
votes
2answers
171 views

How do Shabbos mode scooters work?

Related to a question about shabbos and yom tov mode stoves I wonder about shabbos mode powered scooters. I recall seeing them advertised in the Jewish newspapers. How do they work, in terms of ...
5
votes
0answers
114 views

What are the practical limits of shaimos in the common era? [duplicate]

Possible Duplicate: Hashems name on device I've tried to always be careful in regard to shaimos, but I'm still having difficulty understanding how it maps out in the age of the computer. ...
7
votes
2answers
358 views

Is it actually forbidden to push a wheelchair outside of an eruv on Shabbat?

I have heard opinions varying wildly on the subject and am trying to make sense of them halachically. Is it illegal on Shabbat to push someone in a wheelchair, let's say, from their home to synagogue ...
3
votes
1answer
91 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 ...
6
votes
3answers
336 views

Typing on Chol Hamoed

Is typing allowed on Chol Hamoed? Does it make a difference if whatever is typed will be printed afterwards?
2
votes
1answer
136 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): ...
3
votes
1answer
113 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 ...
6
votes
3answers
244 views

Parashas Shavua calculation

I'm writing a site where the user would be able to see the calendar with jewish-civil translation of dates, and also which parasas shavua falls on which Shabbos. I'd like to know what is the formula ...
12
votes
6answers
1k views

If a pig was genetically modified to chew its cud, would it be kosher?

If they were to genetically modify a pig to chew its cud, would it be kosher?
5
votes
1answer
79 views

Buying New Electronics During the 9 Days

Is one allowed to buy new electronic devices during the nine days (e.g. cellphone, laptop)?
8
votes
2answers
165 views

If three men pre-arranged to sit down and eat together over a video-chat, is there any reason they shouldn't have a zimun?

I learned that if two groups were eating in two different rooms but even one person could see someone in the other room, then they could have one zimun (I thought this was in Masechet Brachot, but I ...
5
votes
1answer
94 views

התראה by phone?

Can warning for a capital crime be accomplished by telephone? Hello? Are you aware that it is currently שבת where you are? Yes. I am aware of the punishment and prepared to do it anyway. Are ...
3
votes
2answers
190 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]
2
votes
1answer
75 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?
6
votes
2answers
282 views

Does Robot = Golem?

Would an anthropomorphic robot who could communicate with and do the bidding of humans qualify Halachicaly as a Golem? Would new rulings have to be devised for their status?
5
votes
1answer
271 views

How does “shabbat speech-reinforcement” work?

How does the technology for shabas-compliant voice amplification referred to on this architecture firm's website work? Is it different technically from a regular microphone setup or is the distinction ...
3
votes
2answers
77 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 incadescent bulb There are separate physical switches ...