jack action's latest activity
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TIL about the Luhn algorithm and how it is used in determining credit card numbers in order to catch common typos...
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jack action replied to the thread ChatGPT Examples, Good and Bad.It is not surprising when you know there is a list of animals in political office on Wikipedia. Even foot powder has been elected once...
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... Continued from previous post (this post is part 2 of 2). Figure 7. "Broken bulb." 50mm Summilux-M ASPH @f/6.8 Figure 8...
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November 2025 Balboa Park pics (Part 1 of 2) After running an errand in Balboa Park late Saturday afternoon, I decided to do some...
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jack action replied to the thread Music Cover songs versus the original track, which ones are better?.Today I learned Dream On was a cover by Helix, originally done by Nazareth:
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jack action reacted to pinball1970's post in the thread Music Cover songs versus the original track, which ones are better? with
Like.
This from Glasto -
jack action reacted to pinball1970's post in the thread Music Cover songs versus the original track, which ones are better? with Like.
Here is another girl who can sing, the lead is Yvonne Elliman but she ok with sticking Murray Head and Ian Gillan in there because they...
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jack action reacted to Hornbein's post in the thread Music Cover songs versus the original track, which ones are better? with Like.
If your parents don't hate it then it isn't rock.
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jack action replied to the thread Local pressures in turbocharger housing?.Your numbers seem to come from behind the impeller tip, where it would be normal to have a low-pressure area as the impeller turns. But...
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I fell off the bicycle back in 1995 and had bad scrapes and bruises. Back then, there was no social media, so I'll tell you now.
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How did this pass me by? https://en.wikipedia.org/wiki/James_Watson A thread of its own Bill surely? @BillTre
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jack action replied to the thread Local pressures in turbocharger housing?.From the isentropic process: $$\frac{p}{p_t} = \left(\frac{T}{T_t}\right)^{\frac{\gamma}{\gamma - 1}}$$ and from the definition of total...
