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3
votes
3answers
161 views

Absorption of Taste in Pot-Scientific explanation

Is there a scientific explanation for the concept of "blias issur" absorption of taste in pots. Like for example if since heat expands materials maybe the taste creeps in. (I'm not asking about ...
0
votes
0answers
40 views

Can I help my friend who avoids the Internet on principle by booking airline tickets for him on the Internet? [duplicate]

I use the Internet (with safeguards). My friend does not use the Internet because of the dangers. Is it right for him to ask me to do jobs for him using the Internet (eg booking airline tickets)? ...
4
votes
1answer
89 views

What is the shiur Hanaah?

How much Hanaah (physical benefit) must one have of things prohibited as an Issur Hanaah (things forbidden for benefit) like milk and meat, Kiley HaKerem (certain grape mixtures), or Avoda Zara ...
4
votes
1answer
45 views

Which Tzemach Tzedek?

When the Pitchei Teshuva (on the daf of Shulchan Aruch Yoreh Deah) quotes teshuvot of the Tzemach Tzedek, who is he quoting? Is he quoting Rabbi Menachem Mendel Schneersohn, the Tzemach Tzedek of ...
0
votes
0answers
37 views

Halachos of kashruth and bliya

If a utensil can't become meat or milk through bliya, (like wood) then is it ever possible to become non-kosher?
3
votes
1answer
120 views

What makes something a davar charif and is there a canonical list?

This question asks if Beer is a davar charif based on the hops being bitter. I was very surprised at the premise because charif means sharp, not bitter. I also vaguely recall seeing a list of 5 items ...
6
votes
3answers
203 views

Cooking in a day old pot on purpose

Generally (setting aside cases of a "davar charif" -- spicy thing) if one cooks in a pot that is not "ben yoma" (i.e. they cooked milk in a pot that was used for cooking meat more than a day ago) and ...
6
votes
6answers
257 views

Looking for a sefer to help prepare for smicha

I am currently learning hilchos taaroves and will soon be moving on to basar bechalav and melicha etc. in preparation for getting smicha. I have looked around and found countless (literally countless) ...
5
votes
0answers
57 views

Food that became prohibited because of a fly, then was separated into 3 new parts, nullified?

There was a pot of soup that a fly fell into it. The fly was not located and therefore the whole soup became prohibited. Even though the soup might have 60 parts against the fly, still since the fly ...
0
votes
1answer
200 views

Wearing tallis and tefillin before z'man

About the time the clocks change for the season, there is always an issue at the early early minyan about when to put on tallis and tefillin. In a few weeks of the year, that time can come 5 - 15 ...
5
votes
1answer
84 views

Relying on the tasting of a Jewish chef

In Yoreh Deah (Hilchos Issur V'Heter) we learn about the laws of relying on a chef ("kefelah") that is a goy to help determine if there is the taste of food that might be prohibited inside of a ...