berkeman's latest activity
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berkeman reacted to stovenn's post in the thread B Applying the Gauss (1835) formula for force between 2 parallel DC currents with
Like.
Many thanks! I had used Mathjax some time ago. It was the need to refresh the browser which had evaded me! (And the ability to... -
berkeman replied to the thread B Applying the Gauss (1835) formula for force between 2 parallel DC currents.I sent you a DM just now with some tips. :smile:
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berkeman reacted to sbrothy's post in the thread Optical Arduino sensors for detecting purity of streetdrugs on the spot with Like.
Thank you. I've allied myself with a civil engineer. He was the one who suggested it offhand. Now we have something to start with.
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berkeman replied to the thread Random Photos.You have to wonder what incident prompted this sign... Seen at my new workout pool in Santa Cruz:
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berkeman replied to the thread Optical Arduino sensors for detecting purity of streetdrugs on the spot.I've seen hand-held scanners used on a TV show that I watch about US Customs & Border Protection. Here is what my Google search turned...
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berkeman replied to the thread Collection of Lame Jokes.
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berkeman reacted to sbrothy's post in the thread Warning of new opiod drug (nitazene) on the streets: Question re strength... with
Care.
That explains the times I've seen someone wake up but doze off again as the opiate the person ODed on slowly retook the receptors. But... -
berkeman reacted to Borek's post in the thread Misc. What projects can i do with a Raspberry 500 with little effort? with
Informative.
Raspberry Pi 500 is basically Raspberry Pi 5 with some added peripherals. So a small footprint multicore 64-bit computer with built in... -
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berkeman replied to the thread Warning of new opiod drug (nitazene) on the streets: Question re strength....Yes. Yeah, as @Laroxe said, the effects of Narcan are short-lived, like 20-30 minutes or so. That's why it's still important to get...
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Why do we assume that one of the concepts of invention and discovery must apply to mathematics? Perhaps it's neither. Perhaps...
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berkeman reacted to Ranger Mike's post in the thread Thread No-Go plug gage allows 3 turns to enter. That's too many! with Informative.
Go / No-Go gaging is direct and generally simple. If the Go fits (Fig. 1) and the No-Go does not (Fig. 2), the functional thread is in...
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berkeman reacted to Andy Resnick's post in the thread Classical Books with a more theoretical approach to turbulence and DNS with Informative.
Holmes, Lumley, Berkooz and Rowley's "Turbulence, Coherent Structures, Dynamical Systems and Symmetry" may be a good match for you. In...
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berkeman replied to the thread Where is my curb stop?.That would be my guess.
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berkeman reacted to Baluncore's post in the thread What papers is the CO2 climate change theory based on? with Like.
Here is the short list of points in Florida that are at or above 50 feet...
