berkeman's latest activity
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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... -
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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berkeman reacted to AlexB23's post in the thread High School Classic question regarding the nature of quantum tunneling with
Haha.
Wait, that is where the missing socks go. They tunnel into the floor. -
berkeman reacted to PeroK's post in the thread High School Classic question regarding the nature of quantum tunneling with Haha.
If you've lost your cat, don't blame Quantum Mechanics.
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No. In some cases, when the ET contains a fluid, the fluid can move sufficiently to equilibrate pressure, without completely emptying...
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berkeman replied to the thread Valsalva and Eustachian tube.Okay, fair enough. I've moved your thread from the Classical Physics forum to the Biology/Medical forum where it fits better. Can you...
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berkeman replied to the thread Valsalva and Eustachian tube.@Kiv -- is this question for schoolwork? What is the motivation for the question?
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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?.Welcome to PF. What's a "2-pin TV and HT system"? There are two pins in what way? How do you get the shock? When you touch what or...
