Absorption of utensils in our days
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Question
It is known that nowadays metal utensils do not absorb (so it is commonly stated), and the Rambam wrote that halachic rulings that depend on science change along with science. In this matter as well, it seems from the Gemara in several places that the law depends on whether utensils actually absorb in reality.
If the Rabbi looks at the link I have attached, it would appear that this law does not apply nowadays, and therefore I would be glad if the Rabbi would tell me whether what I am saying is correct, and whether at least what I have written can be taken into account as an additional factor to rely on in order to be lenient in various issues.
The link: https://www.yeshiva.org.il/midrash/23380
Answer
Shalom and blessings
The ruling of all halachic authorities of our time is not to rely on the appearance that the utensils do not absorb.
Since we are not dealing with the absorption of liquid or food, but with the absorption of “taste,” it is very difficult to examine this.
Moreover, there is no doubt that when boiling water in a used pot that has been thoroughly cleaned, one can sense a significant change in taste. This proves that there is absorption of taste even in the metal of our days.
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