berkeman's latest activity
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I am saddened immensely by this news. Phinds and I both joined within a few months of each other and he was one of my favorite and most... -
My special thanks to Fresh42, Mark44, Bvu, Perok, SammyS, Haruspex, Orodruin, Chestermiller, WWGD, Martinbn, and the other person from...
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berkeman replied to the thread Undergrad Capacitor Voltages at t = 0: Zero or Split?.What time constant do you calculate with ##R=1p\Omega##?
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berkeman reacted to untilthecern's post in the thread High School Questions about the structure of dark matter with
Like.
So we can't assume the thing like that. got it -
berkeman reacted to untilthecern's post in the thread High School Questions about the structure of dark matter with Like.
I'll check the course you mentioned, thanks
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berkeman reacted to Nugatory's post in the thread High School Questions about the structure of dark matter with Like.
There’s no “if” here, dark matter is defined to be the stuff we haven’t seen yet that is interacting with the mass we have seen. It...
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berkeman reacted to Dale's post in the thread Undergrad Capacitor Voltages at t = 0: Zero or Split? with Like.
In your sim you added R2. This is perfectly reasonable to do, but it is no longer the circuit that the argument is about. Once you add...
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berkeman reacted to PeterDonis's post in the thread Alien life, probabilities, and interstellar propagation of human life with Like.
In half a century or so. That's an extremely short time on the scale of human history. Sure, but the time frames you're giving for when...
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berkeman reacted to Baluncore's post in the thread Undergrad Capacitor Voltages at t = 0: Zero or Split? with Like.
Welcome to PF. An impossible situation has been hypothesised. If V1 is an instant step function, then it must instantly charge the two...
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berkeman replied to the thread Are Recent Students All Google Crazy?.:oops:
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When I was a grad student teaching assistant in the early 1990's, I assigned a design problem for the gears and bearings class. The...
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Robert, Condolences to you and your family Yes, he did have a wonderful effect on people in this forum. 😍 I am going to miss the...
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berkeman reacted to DaveC426913's post in the thread Why Are You Still Here? A Curious Question with Like.
One more reason: Procrastination. I come out to my Dave Cave on the pretense of getting some writing done (and smoking a stogie) in my...
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berkeman reacted to OmCheeto's post in the thread Why Are You Still Here? A Curious Question with Like.
Ditto! And where did being told I was a genius get me? Lugging gallon jugs of urine down endless halls of a university hospital. That's...
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berkeman reacted to Baluncore's post in the thread Why Are You Still Here? A Curious Question with Like.
We cannot take our hard-won knowledge with us when we go, so we entrust it to PF, to pass on. We leave it here so google can index it...
