berkeman's latest activity
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I searched history of physics for some reviews or some comprehensive books.And then I found a thread about it on this site. -
berkeman reacted to pinball1970's post in the thread High School Looking for info about the Sombrero Galaxy with
Like.
A little here but there is more info in the wiki page... -
Figure 1. "All in a day's work." 50mm Summilux-M ASPH. No, that's not me. It's just somebody passing by. I'm not sure how the person is...
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Ok ill see your moon in different time zones and raise you some stars and a rotating galaxy in my office. Generated by this little...
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berkeman reacted to Dale's post in the thread Insights Thinking Outside The Box Versus Knowing What’s In The Box with Like.
After a severe thread cleanup, and several thread bans, this thread is reopened. Please remember that we want to keep PF productive...
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Hello Guys, good to be back with physics like minded people.
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berkeman replied to the thread I'm trying to intuit how pull-up and pull-down resistors work.What are (i) and (ii)? I will send you a DM to help you learn how to use the Reply/Quote features at PF. It is very confusing when you...
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berkeman reacted to phyzguy's post in the thread High School Looking for info about the Sombrero Galaxy with
Informative.
Basically all large galaxies have super-massive black holes in the center. It's thought that the galaxy and black hole grow up... -
berkeman replied to the thread Wood/Glass/Metal Which 3D printer would be best for this printing job?.So 40 pounds through a 3 inch lever arm? Are you sure you want to use plastic (or carbon fiber?) or would metal as suggested by...
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berkeman replied to the thread Wood/Glass/Metal Which 3D printer would be best for this printing job?.I'm probably of no help on choosing a good 3D printer for this, but can you say what the application is? What kind of forces will this...
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berkeman reacted to .Scott's post in the thread High School Looking for info about the Sombrero Galaxy with Like.
A planet that orbits a black hole without also orbiting a star would be missing that nice steady warmth and glow of a sun that continues...
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berkeman replied to the thread Collection of Lame Jokes.
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Found my spirit(s) animal.
