berkeman's latest activity
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berkeman replied to the thread MEO Inventor.Welcome to PF, Thomas. :smile: Please be sure to read the PF rules (under INFO at the top of the page) -- we do not allow personal... -
Hi: I am Willy. I am a retired cop. I spent my youth working in landscaping and construction. Some say I am a jack of all trades. I am...
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berkeman replied to the thread Undergrad Calculating Cooling Effect in Gas Cylinder Expansion.Welcome to PF. It looks like the OP was only at PF for a couple of days back in 2022 when they posted this thread, so it's unlikely you...
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berkeman reacted to jondesousa's post in the thread Flow Rate impact due to thermocouple obstruction with
Like.
I'm working on an ASME committee where we are trying to establish guidelines for the level of obstruction that would be acceptable for a... -
berkeman reacted to Astronuc's post in the thread Undergrad M31-2014-DS1, slow disappearance of a massive star with
Informative.
I heard a report of an unusual disappearance of a massive star in the Andromeda (M31) galaxy. M31-2014-DS1 was a supergiant How it was... -
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berkeman replied to the thread Question about what is in the Universe.Philosophical discussions are not allowed at PF per the rules. Thread is closed for Moderation.
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Ok I will read and learn instead
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berkeman replied to the thread Graduate Stability of the Kerr–Newman black hole under small perturbations.Thread is closed for Moderation.
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berkeman replied to the thread Which material will stop magnetic attraction?.Can you post a link to the online question? Obviously any magnetic shielding effect would require a ferrous material.
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ohhh ma gosh haha
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There are many new technologies to develop for specific chemical processes or goals. Refining of lanthanides is one. New processes...
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berkeman replied to the thread Hi, I'm Jeff. I'm new to this site..Welcome to PF, Jeff. :smile:
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This discussion reminded me of this experiment. Could it be that humans are as smart as dogs? Look they can track things with their nose!
