berkeman's latest activity
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I once asked AI whether some topological thing was true. It gave me a proof I didn't understand. Later mathematicians told me it was...
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berkeman reacted to aLeaf's post in the thread Graduate Rotating Disk Method to Attain Light Speed? with
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berkeman replied to the thread New Member, Mech. Eng. Sophomore.Welcome to PF! :smile:
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Greetings all, I am Edel, a mechanical engineering sophomore from the U.S. and I am joining this forum to further my understanding as...
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berkeman replied to the thread Collection of Lame Jokes.
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berkeman replied to the thread Graduate Quaternionic Rays instead of Complex.Thread is closed for Moderation.
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berkeman reacted to penghongjiao's post in the thread Introduction: penghongjiao - Physics Enthusiast with Like.
Hi all, I'm penghongjiao, a physics hobbyist. I'm fascinated by the Standard Model and open questions like the fermion mass hierarchy. I...
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berkeman replied to the thread Introduction: penghongjiao - Physics Enthusiast.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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In the mall.
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berkeman replied to the thread Why do my 2-pin TV and HT systems give shocks on ports when ON together?.Do you have a voltmeter or can you borrow/buy one? It only needs to read DC and AC (at Mains frequency). It would probably help you...
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My rangefinder camera in question is digital, so no. I can snap off pictures all day without worrying about the cost and bulk of film...
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I've now taken over 10,000 photos on my rangefinder camera (other cameras are not included in the count). Here's a couple of pictures...
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berkeman replied to the thread Collection of Lame Jokes.
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