Month: August 2021

Comment on Chain Fountain videos

Chain Fountain 2 – Drill powered spool https://www.youtube.com/watch?v=bcsb1xAv7XA When the beads are in a jar, they have a vertical component of velocity to go up and over the rim, so the beads trajectory follows gravity. Since stress travels through the beads much faster than the beads themselves, the force of the faster beads in the
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Comments and questions for Facebook InTheSkyOrg and In-The-Sky.Org

https://www.facebook.com/intheskyorg/ All the material you post here. Is it also on your website? Can you index and organize it? If you post the same item several times, can you keep things together? You have good tools on your site, but they can be improved. There is no standard best practices form for easy and traceable
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Comment on UN fund raising practices on the Internet

Jane, I commented on your “Urgent appeal” posting. You have edited and curated many things. How would you approach the wide variety and purposes of postings on the Internet related to “Afghanistan”?  — Any topic that has millions or billions of entry points on the Internet? That is what I am facing with the Internet
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Comment on a Prayer for Afghanistan on Facebook

Peggy Browder Collins, Cristine Phillipps Arnold, Melanie Smith Krenek⁠ ⁠ When my Mom was still living, she prayed constantly. She taught us to care about every person. When I was growing up, there were whole communities of people praying constantly. ⁠ Now Cristine’s prayers are organized and focused on specific issues. I can see her
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Comments to AllSky group on Facebook

I bought this Arducam MIPI camera for the Raspberry Pi. It is 4672*3496 and the best that anyone seems to have gotten is 1 frame every 10 seconds. https://www.amazon.com/gp/product/B07W6LTFZC. I think it needs a $200 computer, not a $100 one. And some assembler or C programming. But then look at the time lapses posted by
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Comment on Flywheel energy storage experiment video

Electrical tests! | 2 Mechanical Battery by Black Sahara at https://www.youtube.com/watch?v=uiOf_-0aFP8 I like what you are doing or I would not comment. Please get a stand for your camera. Learn to solder. Learn to use sound card oscilloscopes and spreadsheets. Keep up the great work!! Thanks for the videos!! Put a “support” “donate” button somewhere.
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Why did the Google molecular weight of methane come out as 20.067?

Hello, I was working on atmospheric composition and asked google methane pubchem molecular weight It came up with 20.067 which traces to https://pubchem.ncbi.nlm.nih.gov/compound/2H4_Methane Now I am tired, but carbon is 12.011 and hydrogen is 1.008*4, so the total should be closer to 16.011 Is this page supposed to be deuterated?  12.011 + 2*4.0282035557 = 20.067407
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Comments about the International Cloud Atlas hosted by the Hong Kong Observatory

Hello, I am visiting CloudAtlas.wmo.int and I keep seeing this red note: Links in the image description will highlight features on the image. Mouse over the features for more detail. But, it actually requires a click for the region on the image to be outlined.  The instruction are correct, but should probably be in blue,
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Broken Links on PCMDI.LLNL.gov – Global Climate Change Models

Karl, Here are some notes on broken links and bad practices.  I put notes on my search for climate models.  I do these rough searches to get started on a complete review of a topic group on the Internet.  Picking a hard enough problem at global scale is the only way to stay organized and
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Tweets about lossless sharing of astronomical images

Related: A desktop photo scanner can get 6400 dots per inch over 8.5*11 inches. That is 3.82976  GigaPixels with 32 bit colors. See also: PetaPixelProject.com with many 10 to 100 GigaPixel images. They use “Atlas Browser Based Viewer” that seems to work.  I am not recommending it, just noting they seem to be able to
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