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berkeman's latest activity
berkeman
reacted to
gmax137's post
in the thread
How effective is nuclear propulsion?
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What have you looked at so far? Have you seen this...
Jul 29, 2025
berkeman
replied to the thread
Eliminating a differential of an e-rickshaw by using 2 motors.
.
Why do you say that? Inefficient in what way?
Jul 29, 2025
berkeman
reacted to
DennisN's post
in the thread
Collection of Lame Jokes
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Jul 28, 2025
berkeman
reacted to
Astronuc's post
in the thread
B
Al-20, a new three-proton-emitting isotope
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Informative
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https://phys.org/news/2025-07-physicists-aluminum-proton-emitting-isotope.html https://journals.aps.org/prl/abstract/10.1103/hkmy-yfdk...
Jul 28, 2025
berkeman
replied to the thread
Collection of Lame Jokes
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Too funny... :smile:
Jul 28, 2025
berkeman
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JC_Silver's post
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I
How does GR deal with pointlike objects with mass?
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Thanks everyone! Hopefully as I study further I'll come back with more questions in the future!
Jul 27, 2025
berkeman
reacted to
WWGD's post
in the thread
Collection of Lame Jokes
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Haha
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Makes " a bit" more sense than him holding a tampon :).
Jul 27, 2025
berkeman
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jack action's post
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Random Photos
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I just love how it says "Look Right" while the bus is coming from the left ...
Jul 27, 2025
berkeman
reacted to
DaveE's post
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Beauty of old electrical and measuring things, etc.
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Perhaps the most risqué HP ad. Circa 1972. I recall this from a poster in the hallway of the Caltech EE building when I was an...
Jul 27, 2025
berkeman
reacted to
Nishanta's post
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New MSc Physics Student – Seeking Advice to Study Properly
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How did you find PF?: I found PF while searching on chatgpt for serious physics communities where students and scientists discuss and...
Jul 26, 2025
berkeman
reacted to
mathwonk's post
in the thread
My Grade 11 Math mark is eating me alive. What do I do?
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Care
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Relax. You are not bad at math, rather you are clearly better than average, way better. But you seem to be blinded by something I...
Jul 26, 2025
berkeman
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WWGD's post
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Collection of Lame Jokes
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Jul 26, 2025
berkeman
reacted to
Tygra's post
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A
Have I solved this iterative equation correctly?
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Sorry, I'm having real trouble with the latex. EDIT: Latex Sorted
Jul 26, 2025
berkeman
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davenn's post
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Collection of Lame Jokes
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Haha
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Jul 26, 2025
berkeman
reacted to
raminee's post
in the thread
Waterproofing USB ports
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Thank you "Berkeman" ! I already did some research and the two methods that I came across is a cover for the USB and also putting a...
Jul 26, 2025
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