Andy Resnick's latest activity
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Andy Resnick replied to the thread The Secrets of Prof. Verschure's Rosetta Stones.This is one of the more interesting samples in the collection: Chilled margin of Ijolite intrusion. One side is fenitized gneiss... -
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Andy Resnick reacted to neilparker62's post in the thread Our Beautiful Universe - Photos and Videos with
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Yes - I have now taken a few pics of the same area of sky and the 'smudge' persists. So it's not some aberration of the camera. Also our... -
Trip to Texas to see family and the farm. My aunt says this is my great grandmother.
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I was waiting for the bus in an incredibly, remarkably boring place where there was nothing fun to shoot at all on the ground, so I...
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Andy Resnick replied to the thread Random Photos."Monstrous" comes to mind..... Brundlefly, indeed :) The mouthparts are particularly narsty, IMO. Micro Nikkor 55mm at close focus...
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Andy Resnick replied to the thread The Secrets of Prof. Verschure's Rosetta Stones.This sample is almost completely altered: Fenite. Type locality: Fen Complex, Telemark, Norway. This sample was been classified as...
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Andy Resnick reacted to DaveE's post in the thread I Is This....Right? Splitting LED colors is not working for me with Like.
I think you need collimated light for the prism to give separation of the colors. The prism will bend colors at different angles, but if...
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Andy Resnick replied to the thread Random Photos.(apologies in advance) This example is Welsh, right?
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Andy Resnick replied to the thread The Secrets of Prof. Verschure's Rosetta Stones.Continuing with strongly fenitized-1 gneisses: Fenite (fenitized gneiss). Type locality: Fen Complex, Telemark, Norway. This sample’s...
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Andy Resnick reacted to Astronuc's post in the thread Minor phreatomagmatic eruption, Taal Volcano, Philippines, July 17 with Like.
Minor phreatomagmatic eruption occurs at Taal Volcano on July 17 What happens when lake water meets magma...
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Andy Resnick replied to the thread Most Hard-Driving Music?.Not my favorite band (although I did enjoy "The Dirt"), but this tune straight-up kicks a$$:
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Andy Resnick replied to the thread B Simple mass/scale puzzle.Have you tried drawing some? You said your learning is a bit rusty, this seems like a good 'homework assignment' :) Edit: when you do...
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Andy Resnick replied to the thread Random Photos.Hey, that's spiffy! Thanks for the heads-up. Your raindrop photos are excellent, btw. I have a Gitzo tripod, no center column. One...
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Andy Resnick replied to the thread B Simple mass/scale puzzle.How about this explanation: cut one of the strings (no glue, no anchoring, just cut the string) so the scale reads 0 N and accelerates...
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Andy Resnick replied to the thread A When should I analyze optical problems using ray tracing vs. wavefront analysis?.Thanks, that's helpful. I guess I don't understand why you think ray tracing does not give valid results; ray tracing through GRIN...
