Questions about how Judaism interacts with technological innovations.

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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 ...
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0answers
40 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 ...
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0answers
57 views

What halachic principles are involved in starting the iRobot on Shabbos with a timer? [closed]

What halachic principles are involved in starting the iRobot on Shabbos with a timer? Can it be turned on anytime or just at night? Is it like security cameras in that it is OK to walk by them if ...
2
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0answers
91 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 ...
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0answers
166 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 ...
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58 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 "...
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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 ...
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71 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 ...
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1answer
232 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 (...
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0answers
120 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?
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0answers
259 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 ...
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131 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, ...
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0answers
129 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
60 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 Torah, ...
2
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1answer
152 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): http://electronics.howstuffworks....
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2answers
1k views

If one watches television on Friday night, will one go to hell?

If one watches television on Friday night, will one go to hell?
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2answers
310 views

Would the internet be considered muktzeh due to Nolad (a new thing)

There is a category of muktzeh on shabbat called Nolad. Nolad means literally, something that is born on shabbat. It is interpreted in the modern era, as meaning anything which you did not have ...
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1answer
357 views

Does the principle of Hadash Asur Min Hatorah apply to technological new things?

According to the Hatam Sofer, does this principle apply to technological novelties? This principle means that "New Is Forbidden By The Torah".
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3answers
140 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 ...
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2answers
367 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 ...
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1answer
402 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 ...
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1answer
56 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?
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1answer
129 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 ...
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2answers
119 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 ...
1
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1answer
146 views

Solar Power on Shabbos

What's the deal with using solar power on Shabbos? Cooking is permitted, but what of the following cases: 1) Heating water (Dud-Shemesh style) 2) Solar-powered watches 3) Solar-powered toys What ...
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1answer
105 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 ...
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1answer
130 views

Are preservatives called a “davar ha'mamid”

At the end of YD Siman 87 we find the dinim of "mamid". Over there it's speaking about cheese made in the skin of the kevah of a nevilah of treifah. The Rema explains that because it is an issur for ...
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3answers
51 views

Seeking additional information about the “seasonal drift” problem of the Judaic calendar

During my shul's annual *Tikun Leil Shavuot", I plan to give a short lecture about the "seasonal drift" affect of the Judaic calendar. See this Mi Yodeya answer for additional info. I could use some ...
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1answer
65 views

When 2 witnesses are required to verify something, can one or both of them witness this using Skype?

Examples of when you need 2 witnesses testifying an event: groom's "purchase" / acceptance of the terms of the ketuvah witnessing kiddushin (groom giving bride a ring) If two witnesses watch this ...
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1answer
117 views

T-Fal Thermo Spot Heat Indicator Cookware on Yom Tov & Shabbos

T-Fal has a cookware set known as "T-Fal Thermo Spot Heat Indicator Cookware". These pots have a special technology which indicates when the pan is ready for use. May one use such a pot on Yom Tov to ...
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1answer
119 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 ...
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0answers
20 views

Peru Urevu Halacha question [duplicate]

If a jewish male donates sperm to a jewish couple who cannot have children for whatever purpose. By donating sperm does the donor fulfill the mitzvah of Peru Eruvu? If the answer is yes, then the ...
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0answers
20 views

Has cryonics been treated in Rabbinic literature? [duplicate]

Has it been treated by rabbinic literature? If yes, what does it say about cryonics?
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0answers
48 views

Large scale hydroponics and Shmita

The gemara in Nedarim 59 (among many other places) discusses the concept of shmita produce and plants grown from them retaining their status when the original "seed" isn't destroyed when planted. In ...
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0answers
100 views

Using the Coravin on shabbat

There is a new device called the coravin which allows one to insert a needle into a cork of a wine bottle and the wine flows through the needle by using argon gas (protects quality of wine) and by ...
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0answers
50 views

Why do the laws of kevod seforim apply to physical seforim but not digital?

I may have some trouble asking this question. I understand that the laws of kavod seforim (respecting holy texts; i.e., not bringing a book of Torah into the bathroom) do not apply to tapes, etc. (...
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0answers
44 views

Search program for seforim in Chrome OS

A friend of mine is using a Chromebook. While we're trying to figure out other solutions for him, I'm trying to figure out what we can do in Chrome OS. One thing he'd like to do is use a program like ...
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0answers
63 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 ...
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0answers
44 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 ...
1
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1answer
52 views

Does this count as Tzedakah?

I found out there's an app that gives money to charity depending on how much you run. You can choose between dozens of organizations that help stop hunger, help the homeless, cure cancer, provide ...
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1answer
59 views

Is there an online source for trope occurrences?

As a Torah reader, I like to find nuances and inherent meanings in trope (cantillation) nuances and "unusual" occurrences in the Torah. For example I'm looking for all the places that have two ...
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1answer
166 views

why was technology withheld for so long from man

Why did God withhold the discovery of modern technology from man until recently? what is the reason for this and why does this reason not apply in our era? (according to the shaar bitachon ch.3 God ...
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1answer
196 views

Can an 'AGA' oven be koshered?

Can an 'AGA oven' be koshered? Here are Wikipedia and video explanations of what an AGA oven is. Here's an excerpt from the Wikipedia page: The AGA cooker is a heat storage stove and cooker, ...
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1answer
192 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 ...
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2answers
72 views

Depilatories- creams or “shaving powders” on Shabbos

Is it permissible to use Depilatories (creams or "shaving powders" which chemically dissolve hair) on Shabbos? and if not- why?
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1answer
86 views

I am looking for the Torat Emet program to list verses for names

I am looking for a direct link to the Torat Emet program that helps you find verses for your hebrew name. I am looking for more verses for my name to use during the shmona esrei. I saw a mention of ...
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1answer
43 views

Would hydroponically grown beans be considered kitniyot?

As I understand it, beans were included as kitniyot because they grew in the ground next to wheat. However, if you grew the beans hydroponically, would they still be classified as kitniyot?
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1answer
74 views

Would humans with kosher-signs be kosher?

If I genetically engineer a human to have split feet and to have a second stomach so they can chew their cud, can I eat them?
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1answer
93 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?
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21 views

Can you double wrap chametz food in the oven before Pesach? [duplicate]

I am going largely by hearsay on this... Two reliable rabbis have told me that if you want to heat kosher food in a non-kosher oven, you can double wrap the food in foil and heat it in the oven, and ...