berkeman's latest activity
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berkeman replied to the thread High School Theory on universe expansion.Thread will remain closed. @JackFmultiverse -- Please check your DMs. -
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:
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berkeman reacted to A.T.'s post in the thread High School Uniform thermal expansion of metals with
Agree.
Uniform expansion means that all distances increase. So if you assume that, the answer is a.
