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I’m an engineer, graduated with a B.E. in Electrical Engineering from the Cooper Union, and working in that field in the Greater NYC area.

My interests are varied and include computers & computer programming, science fiction & real-life space exploration, politics, and religion; see my active accounts on Stack Overflow.

Read my (very sporadically-updated) blog, or follow me on Google+.


May
14
comment How does this math work out?
@ShmuelBrin, and the bigger the city, the further from 1:4 the ratio gets. This is a good question.
May
14
comment How does this math work out?
Similarly with Soncino’s version: migrash is π × 1000²; sados are 4000² − π × 1000²; ratio is π ÷ (16 − π) ≅ 1:4. With a city larger than zero, the ratio will be greater.
May
14
comment How does this math work out?
Note that the ratio of migrash: sados is at its minimum with a 0-radius city (see my attempt at working out the math at gist.github.com/jcsalomon/5573753). Migrash is 2000²; sados are 4000²−2000²=12,000,000; ratio is 4,000,000:12,000,000 = 1:3. A ratio of 1:4 is impossible.
May
14
comment How does this math work out?
Could you please update the diagram to indicate explicitly what the various lengths are?
May
2
comment Bar Mitzvah candle-lighting?
Note: I rather suspect this is a particularly non-Orthodox practice, but this should still be within this site’s scope.
May
1
comment One Challah or Two?
This was discussed, with regard to matzos backed in a large sheet, on (IIRC) Hirhurim. Will search.
Mar
28
comment Kiddush cup: stemmed or not?
There is also the “Rizhiner _becher_”, with leaf-shaped attachments to the stem so it can be held in the kabbalistically-preferred manner; see this picture.
Mar
3
comment Is Halal Meat Kosher?
@DoubleAA, IIRC, camel is considered halal, so you could not “know it’s a kosher species at least”.
Mar
1
comment What’s Doctor Who doing in the Talmud?
@Yirmeyahu, this question was closed earlier than the others, and for a different reason. have no grounds for complaint or dispute, but I am disappointed; if I think of a suitable answer I'll ask for this to be reopened next Purim.
Feb
26
comment “Vashti the queen” vs. “Queen Vashti”
Mechon Mamre’s punctuation is a reflection of the trop; their comma is therefore a weaker disjunction than it usually is in English.
Feb
25
comment What are the consequences of Vashti’s dual nature?
There’s a Purim Torah I remember hearing that dealt with this question. I don’t recall the details, but it involved Haman having a detachable nose.
Feb
25
comment What are the consequences of Vashti’s dual nature?
I know this is late; maybe I’ll get an answer next year.
Feb
25
comment What’s Doctor Who doing in the Talmud?
I was hoping for something about Mar = the Master, but everything I came up with was too forced to be funny.
Feb
22
comment What’s Doctor Who doing in the Talmud?
I’ve got to wonder how large the intersection is between Doctor Who fandom and those who appreciate Purim Torah.
Feb
17
comment Does “foreign religious obligation” = “Takruvas Avodah Zarah”?
@IsaacMoses, presumably not: the concern mentioned about using the mission hospitals in 1800’s Jerusalem stemmed from (perceived) missionary activity rather than the motivations behind the healing. And that seems a good direction for discussing the halachik aspects of my question.
Feb
14
comment Does “foreign religious obligation” = “Takruvas Avodah Zarah”?
@JonEricson, I actually met the fellow on the street a few days after posting this, and he also pointed out that my initial request was based on taking the verse out of context. (IIUC, Luke 6:30 in its proper context means he should not have asked for the return of the money once he realized he hadn’t been under any obligation to give it to me; and in fact he did not ask for the money.)
Feb
14
comment Does “foreign religious obligation” = “Takruvas Avodah Zarah”?
@SethJ, your understanding of my question is correct. I had no moral dilemma about taking advantage of a verse-out-of-context: most of his missionary text were using the tactic of verse-out-of-context.
Jan
14
comment Nullifying Ancient Israelite Idols
Thanks, @JNF, for pointing me to where I could find a satisfactory answer.
Jan
14
comment Nullifying Ancient Israelite Idols
Thank you, @DoubleAA; URL is fixed.
Jan
4
comment what is kosher meat?
Except, @Rodny, that (as mentioned above) the slaughter is not a sacrifice.