berkeman's latest activity
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berkeman replied to the thread Undergrad Measured Spectrum of Stopped Wood Organ Pipe Shows ALL Overtones.Sorry, I have a question about the driving function of a wooden organ. What happens when the organist presses an organ key? Is there a... -
berkeman reacted to kuruman's post in the thread Angle between two alpha particle tracks due to proton bombardment of a nuclei with
Like.
Oops, I carelessly made it look that it is useless. The second equation should be... -
berkeman reacted to kuruman's post in the thread Angle between two alpha particle tracks due to proton bombardment of a nuclei with
Informative.
I don't think it is correct to write the momentum of the proton as ##mv## because that is not the relativistic expression. You are given... -
berkeman reacted to Dale's post in the thread Undergrad Comparing ##a^b## and ##b^a## with Informative.
Mathematica has a function called "RegionPlot" that makes them very easy. Without the "pretty" options for the labels and the gridlines...
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berkeman replied to the thread Undergrad Comparing ##a^b## and ##b^a##.Cool plot! How did you generate it?
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berkeman reacted to Dale's post in the thread Undergrad Comparing ##a^b## and ##b^a## with Informative.
Here is a plot of the region where ##a^b>b^a## I think your rule covers the upper right and lower left quadrants. (the quadrant lines...
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berkeman replied to the thread RIP Carl Grillmair, Caltech Astrophysicist (67).Yikes, what a loss.
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berkeman reacted to marcusl's post in the thread Job Skills Physics Careers: Expectations vs. Reality with Like.
You've asked for a reality check. I find it sad to see how unrealistic your physics expectations are. You want support and free license...
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I think this is a difficult problem. As a student at Harvard in the early 1960’s, when maybe 15% of grades were A’s, I got a lot of...
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berkeman reacted to QuarkyMeson's post in the thread Other Hi, I need some advice about how to publish with Like.
Don't post any Zenodo links. If you get it published you can post and discuss.
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berkeman replied to the thread Other Hi, I need some advice about how to publish.After cleanup of some inappropriate content, the thread is reopened provisionally.
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berkeman replied to the thread Other Hi, I need some advice about how to publish.Thread closed temporarily for Moderation.
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berkeman replied to the thread Looking for a reliable source of Aerogel.You probably have already done this, but I did a Google search on Aerogel cylinders, and the AI summary did list a couple of sources...
