berkeman's latest activity
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berkeman reacted to Sauss's post in the thread How does the thickness of a clamp affect its ability to transmit torque? with
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Thank you for the reply Jim, I really appreciate you revisiting this! That makes sense. -
Mated pair of coffee urns protecting their cub from predatory waiters
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berkeman replied to the thread High School Contradictions in the Distribution of Gamma-Ray Bursts.Thread is closed for Moderation.
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berkeman reacted to Baluncore's post in the thread High School Fan is pushing in the front and sucking from the back with Like.
Referring to the front and back can be confusing because it depends on how you look at it. Maybe refer to the air inlet and outlet, the...
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berkeman replied to the thread High School Fan is pushing in the front and sucking from the back.Ah, got it. Well, I just checked our portable fan (which has flat blades) and indeed the dust accumulation is on the front of the fan...
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Hi! I am Raza from Pakistan. I am doing BS Physics and currently second last semester is going on. I have deep interest in quantum...
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berkeman replied to the thread High School Expansion and raisin bread.It's a forum bug, reference now deleted.
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Thanks @berkeman that hit my funny bone
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berkeman reacted to Nugatory's post in the thread High School True static equilibrium and effects on time with Like.
You are just cheating yourself out of essential background understanding (which is the really fun part) if you've skipped chapters 1-3...
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berkeman replied to the thread High School Fan is pushing in the front and sucking from the back.Cheaper fans use flat blades at an angle. Better fans use airfoils at an angle (like a propeller). Here is a good PF Insights article...
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Thanks a lot. This certainly is a I am looking for.
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which are composed of protein and chitin Your answer is in there somewhere. The laying down of the components has to have some...
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https://en.wikipedia.org/wiki/Black_coral has a different answer to this question: However, the "skeletons" are not always black...
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Thank you everyone who voted for me and others! Not sure I deserved it this year considering how inactive I have been over the last 12...
