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David Z's user avatar
David Z's user avatar
David Z
  • Member for 11 years, 7 months
  • Last seen this week
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About

I'm a software engineer, and a former theoretical physicist.

You can email me at [email protected] for matters which cannot be handled on the site. (I do not answer questions by email which could be posted on the site.)

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Top posts
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All Questions Answers
Score Newest
answer
20
Are there any tours or opportunities available to the public where one can see Cherenkov Radiation?
Jan 13, 2013
answer
14
How do you know if Americans genuinely/literally mean what they say?
Nov 5, 2014
question
10
What's the best time to get "last-minute" discount hotel prices?
Apr 7, 2012
question
9
Can I attend a conference on a tourist visa in Vietnam?
Apr 13, 2015
question
8
How can I tell if a visa agent is trustworthy?
Sep 17, 2012
question
8
Is it possible or recommended to exchange US currency for Chinese currency outside China?
Oct 8, 2012
answer
8
What exactly does "nights" means when you book? Is it number of night you are going to sleep, or simply days you are going to stay?
Nov 23, 2014
question
6
What is a good visa agent for obtaining a Chinese visa from the NY consulate? [closed]
Sep 18, 2012
question
6
Should an American traveling to China book flights and accommodation before getting a visa?
May 11, 2016
question
6
Is there a rule against taking food through TSA security checkpoints?
Dec 20, 2018
Top Meta posts
0
1
5
Add Expatriates.SE as one of the migration options
Top network posts
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730
How do I find the package that provides a file?
656
Update Git submodule to latest commit on origin
615
Shuffle an array with python, randomize array item order with python
286
How to calculate the time interval between two time strings
281
What really allows airplanes to fly?

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