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David Z

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

You can email me at stack@ellipsix.net 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 (13) All Questions Answers | Votes Newest

20 Are there any tours or opportunities available to the public where one can see Cherenkov Radiation? Jan 13 '13
14 How do you know if Americans genuinely/literally mean what they say? Nov 5 '14
10 What's the best time to get “last-minute” discount hotel prices? Apr 7 '12
9 Can I attend a conference on a tourist visa in Vietnam? Apr 13 '15
8 How can I tell if a visa agent is trustworthy? Sep 17 '12
8 Is it possible or recommended to exchange US currency for Chinese currency outside China? Oct 8 '12
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 '14
6 What is a good visa agent for obtaining a Chinese visa from the NY consulate? [closed] Sep 18 '12
6 Should an American traveling to China book flights and accommodation before getting a visa? May 11 '16
6 Is there a rule against taking food through TSA security checkpoints? Dec 20 '18
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