berkeman's latest activity
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berkeman reacted to Janus's post in the thread Convert Circular motion into figure-8 shaped loop with
Love.
Two methods I came up with from tracing out figure 8s. The first produces a somewhat uneven one as is, but you can slightly adjust the... -
berkeman reacted to philns's post in the thread Convert Circular motion into figure-8 shaped loop with
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Thanks Berkeman I'd think though handing off an object between 2 moving gears is a rather ingenious solution but full of complexity in... -
berkeman reacted to CrysPhys's post in the thread Studying Interested in Astronomy as a Freshman with
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Your reply did make a lot of sense. I'm glad you wrote a backstory with concrete details. This bodes well for you. Too often we have... -
berkeman reacted to Borek's post in the thread Can you make pure water acidic by adding free protons to it? with
Informative.
To some extent: your guesses are as good as ours. First of all: as I already signaled there is no way to add enough protons through... -
berkeman replied to the thread Convert Circular motion into figure-8 shaped loop.Welcome to PF. :smile: One idea would be to use 2 co-planar gears meshed so that they counter-rotate in the ratio 1:1. Have some sort... -
berkeman reacted to Astronuc's post in the thread Undergrad Galaxy MoM-z14 - furthest observed object with
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https://en.wikipedia.org/wiki/MoM-z14 Any photon with energy above 24.6 eV is going to ionize any atom. K, L X-rays would certainly... -
berkeman reacted to askingask's post in the thread Member and Mentor Appreciation Thread with
Agree.
Thanks to @Baluncore for never hesitating to give deep and thorough explanations! -
berkeman reacted to jirehnuclear2025's post in the thread Nuclear Engineering and Propulsion Journals with
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Oh nice, I'll look into those, thanks! -
berkeman replied to the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid.Do hedgehogs eat rice? -
berkeman reacted to Mark44's post in the thread Undergrad Train Wreck Integral Shortcut... with
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Not at all. I'll simplify your problem slightly by getting rid of the fractions. ##\left. x^4\right|_1^2 = 2^4 - 1^4 = 16 - 1 = 15##... -
berkeman reacted to 256bits's post in the thread Winch rope force to pull back a folding canopy with
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Edited Post #7 thanks. -
berkeman replied to the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid.This thread means nothing without a cute picture of your hedgehog. :smile: