berkeman's latest activity
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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 Like.
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...
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berkeman reacted to Borek's post in the thread Can you make pure water acidic by adding free protons to it? with
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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...