berkeman's latest activity
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berkeman reacted to Baluncore's post in the thread Undergrad What physical quantity has dimension [ML⁻³T⁻²] in electromagnetism? with
Haha.
No. That is the acceleration of the mass density. -
berkeman replied to the thread High School Theory on universe expansion.Thread will remain closed. @JackFmultiverse -- Please check your DMs.
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berkeman replied to the thread High School Theory on universe expansion.Thread closed for Moderation.
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berkeman replied to the thread Undergrad Difficulties in Measuring the Contact Angle of a Sessile Droplet.Welcome to PF. Paging @Ranger Mike in case he's run across anything like this in his measurement experience.
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berkeman replied to the thread Theory on an extra cause of the expansion of the (uni)verse.Welcome to PF. As @.Scott says, we do not allow personal speculation here. To discuss questions about the Multiverse, please start a...
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berkeman reacted to jedishrfu's post in the thread Challenge MIT Announces the Largest Collection of Olympiad Math Problems with
Informative.
https://news.mit.edu/2026/mit-scientists-build-worlds-largest-collection-olympiad-level-math-problems-open-0424 MIT researchers have... -
berkeman replied to the thread Collection of Lame Jokes.
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Crypto scam lures ships into Strait of Hormuz, falsely promising safe passage...
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berkeman reacted to jack action's post in the thread Programming Jokes: Lame, Science & Math Jokes! with Haha.
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berkeman replied to the thread Saša Debeljak.Welcome to PF. :smile: Please be sure to read the PF Rules (see INFO at the top of the page). We do not allow personal speculation or...
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berkeman replied to the thread Kapil Kaisare, programmer looking to relearn the sciences.Welcome to PF! :smile:
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berkeman reacted to kkaisare's post in the thread Kapil Kaisare, programmer looking to relearn the sciences with
Like.
Hello, I've been a programmer for nearly 20 years and am starting on a self-study program to relearn subjects I'm afraid I've long... -
berkeman replied to the thread High School Uniform thermal expansion of metals.No, no, no. The thread question is valid and comes up all the time. :smile:
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berkeman reacted to sbrothy's post in the thread Any "chess.com" users here who can answer a simple question? with Like.
So I made sure I was logged out in another browser, pasted: https://www.chess.com/game/live/166384870244?move=0 and it looked a little...
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berkeman replied to the thread High School Uniform thermal expansion of metals.Which rationale explicitly? Sorry that I was confused a bit by your thread start. My answer:
