berkeman's latest activity
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berkeman replied to the thread Banana Ball. -
berkeman reacted to kuruman's post in the thread Undergrad What happens to a person's body in space without a spacesuit? with
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See https://www.thoughtco.com/human-body-in-a-space-vacuum-3071106 for example. -
berkeman reacted to davenn's post in the thread M 7.5 Earthquake - 28 km SE of Yumare, Venezuela with
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Being into seismology, I kinda keep track of such things Foreshocks are not uncommon, not every main shock has them. Maybe a couple... -
berkeman reacted to gentzen's post in the thread High School Reducing loss of energy for Lasers with
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No, high end masks are written by e-beam lithography, either by VSB (variable shaped beam) machines, or by electron multi-beam (grey... -
berkeman reacted to M4n90_L3m0n's post in the thread Undergrad Self-reference problem in MWI (13yo amateur, be gentle) with
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Thanks for the detailed explanation!!! Through your explanation, I looked up some relevant materials and successfully came to understand... -
berkeman replied to the thread Other Committing to a major.You flunked two semesters of community college? If I'm reading that right, that's not a good sign of potential success at this time... -
berkeman reacted to bhobba's post in the thread Undergrad "The wavefunction never collapses" with
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With my mentor's hat on, please refrain from quoting long posts. Thanks Bill -
berkeman reacted to Nugatory's post in the thread Undergrad Self-reference problem in MWI (13yo amateur, be gentle) with
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”All branches exist” isn’t quite right, it’s better to say that there is a branch for every possible outcome, but violating the laws of... -
berkeman replied to the thread High School Reducing loss of energy for Lasers.Can you elaborate? Do you mean photolithography used in IC fabrication? -
berkeman replied to the thread PF World Cup Chat 2026.What is that thing on Messi's shoe? This was from the great game yesterday versus Cape Verde. -
berkeman replied to the thread High School Reducing loss of energy for Lasers.I was at a photonics trade show many years ago, and as I walked down one of the aisles, I heard a "snap, snap" noise every few seconds...
