Andy Resnick's latest activity
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Andy Resnick replied to the thread Prof. Verschure's thin section collection from the Fen and Hor localities.This is the last sample in the 'phonolite theme' that started back at sample #250: I don't know if this is a different rock from the... -
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Andy Resnick replied to the thread Share Animal Pictures: For Animal Lovers.The optics aren't that complicated- just imaging through crossed polarizers. The way colors are generated is a little tricky, but...
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Andy Resnick replied to the thread Undergrad Newton's bucket experiment.If you removed all matter in the universe (other than the spinning bucket), why do you think the surface of the water would still be...
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Andy Resnick replied to the thread Flooding in Nepal - Glacier Collapse.Agreed- I have never seen anything like that.
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Andy Resnick replied to the thread Prof. Verschure's thin section collection from the Fen and Hor localities.Posting a day early this week: This is (presumably) the 3rd thin section from the same rock: a potassic fenitized phonolite. The...
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Andy Resnick replied to the thread Prof. Verschure's thin section collection from the Fen and Hor localities.My attempt at describing the thin section (phrased as a prompt): "I am trying to identify metasomatic process and also classify a thin...
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Yikes, that did strange things to my skin! Only on PF!
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Andy Resnick replied to the thread Prof. Verschure's thin section collection from the Fen and Hor localities.First, the images. Then, a description and discussion: Fenitized Phonolite, Fen Complex. Aphanitic groundmass is a...
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Andy Resnick replied to the thread Our Beautiful Universe - Photos and Videos.Region of the night sky centered on NGC 6820, taken during summer: (deets: Nikon Z7 + Nikkor 105/1.4 @ f/2.8 on Losmandy GM-8, 30s...
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Andy Resnick reacted to DennisN's post in the thread Our Beautiful Universe - Photos and Videos with
Like.
It was a solar eclipse yesterday in Europe. Here in Sweden it was partial (ca 80%, if I remember correctly). I learned about it just... -
Andy Resnick reacted to PeterDonis's post in the thread Graduate Position vs momentum measurement with Like.
I'm not sure he meant spacetime positions, just spatial positions--i.e., I think he's implicitly assuming non-relativistic QM.
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Andy Resnick replied to the thread Graduate Position vs momentum measurement.There's no clear answer to this question because you did not specify the relationship between x0 and x1. For example: are they...
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Andy Resnick replied to the thread Prof. Verschure's thin section collection from the Fen and Hor localities.Altered (fenitized?) trachyandesite, Fen complex. Mesocratic. Groundmass consists of vaguely trachytic K-feldspar within two different...
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Andy Resnick replied to the thread Graduate Position vs momentum measurement.(Message reply didn't add the quote, Im replying to post #4) Yes, a point detector would almost never detect the position of a...
