Questions about how Judaism interacts with technological innovations.

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4
votes
2answers
121 views

Can you use electricity on Yom Tov

Yom Tov is slightly different than Shabbat. For example, on Shabbat one cannot cook, but one can cook on Yom Tov provided that it is from an existing flame. My question is this... Let's say I have ...
4
votes
1answer
173 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 ...
1
vote
1answer
51 views

Measurements for the Bais HaMikdash

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.?
6
votes
0answers
183 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? ...
5
votes
0answers
61 views

Do the laws of Ribis apply to loans of virtual currency?

If a Jew lends a player in a multiplayer online game money, and he knows without a doubt that that player is Jewish, does the prohibition of ribis apply? (After all, the only thing that changed was a ...
5
votes
0answers
81 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
0answers
91 views

Sous-vide cooking for Shabbat

Sous-vide is a method of cooking food slowly, at a precisely-controlled temperature. This article in the New York Times reports that this method is becoming more and more accessible to and widespread ...
4
votes
0answers
86 views

Slide Rule on Shabbos/Yom Tov

May a slide rule (mechanical device before calculators) can be used on Shabbos for Gemara calculations?
3
votes
0answers
94 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
38 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?
3
votes
0answers
49 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 ...
2
votes
0answers
53 views

Why does this app require me to agree not to use it on Shabbat?

I downloaded a Shabbat Alert app for my iPad, because i needed an alarm that would shut off after a few minutes. It worked fine (except that my iPad was muted), and it seemed to be quite halachic. In ...
2
votes
0answers
46 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
0answers
89 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 ...
2
votes
0answers
98 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
votes
0answers
230 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
0answers
135 views

Can a healthy person use a shabbos elevator?

Can a person who has no health issues make use of a shabbos elevator?
1
vote
0answers
31 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 ...
1
vote
0answers
37 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 ...
1
vote
0answers
47 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
42 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
vote
0answers
110 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. ...
0
votes
0answers
26 views

What is the proper reaction to hearing the Shem Hameforash from some form of technology?

Related to this question the the linked questions there What is the appropriate response to hearing the Shem Hameforash through some form of technology like a recording or live stream?
0
votes
0answers
142 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 ...
0
votes
0answers
141 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 ...