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Questions tagged [grama]

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7
votes
0answers
47 views

Difference between Halperin and Tzomet switches?

I am reading about the various so-called Grama and other Shabbat switches developed in Israel for use in hospitals and security situations. It seems that there was one solution created by Rabbi ...
2
votes
0answers
294 views

Amazon's Alexa & Shabbos [duplicate]

Does anyone know of a definitive credible source about voice activated devices on Shabbat? Alexa has made life so much easier as my elderly mother can just use her voice to contact us. We have made ...
2
votes
0answers
78 views

Can the Chanukah candles be lit via a timer?

Let's say someone attaches a timer to a fuse / lighter that sends a spark to light the candles. Can lighting be done automatically, or must each candle be lit by human physical action, only? As @...
1
vote
1answer
166 views

While knowing another Jew will mechalel shabbat because of you, is it preferred you do it instead?

So I have a general question: If you are a religious Jew and you are in a non religious Jew's home on Sabbath and you mention that it is really hot and you would love to have an AC on and then you ...
3
votes
0answers
42 views

Using a robot “puppet” for matters requiring purity

Based upon an exchange in this question, we require complete purity in the drawing of water for the purposes of mei chatas. The setup described in Maseches Parah was essentially a ritualistic clean ...
16
votes
2answers
322 views

Netilas Yadayim with automatic sinks

It seems there is precedent to allow for netilas yadayim when you don't have a cup, by turning the sink on and off for each rivi'is per hand. By employing this method you satisfy the requirement of ...
4
votes
2answers
203 views

kosher murder switch?

It is generally accepted that grama (indirect causation) is not permitted in performing a forbidden melacha in non-emergency situations. Similarly, while there may be cases of grama in other halachic ...
6
votes
2answers
497 views

Kosher switch and Grama according to R. Belsky's letter

Yeshiva World News published a letter from Rabbi Belsky saying that the Kosher Switch accomplishes nothing and is simply a regular melacha. My question is basically the same as this commentor. Is ...
12
votes
1answer
279 views

What is the hallachic definition of randomness?

A new Shabbat-friendly technology, KosherSwitch, uses randomly timed light pulses to create various safeks, so that flipping the switch does not hallachically count as switching the light on, even in ...
4
votes
5answers
516 views

practical examples of a grama

I was trying to give a practical example of a grama the other day, and couldn't think of one. While there are plenty of devices which employ gramas deliberately (grama switches, shabbat electric ...