berkeman's latest activity
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berkeman replied to the thread Paul Hinds has passed.We obviously can't post his picture because modern Google Images searches return all of his personal details, which is against PF... -
berkeman replied to the thread New member here.For general technical questions, post them in the appropriate technical forum (start the thread by filling out the form at the top of... -
berkeman reacted to russ_watters's post in the thread Peltier thermopar for hand heat charging battery with
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That isn't true. The entire body puts out about 70W of heat. The surface area of a hand is probably 1% of the entire body. And... -
berkeman reacted to Razvan Mihai's post in the thread Our Beautiful Universe - Photos and Videos with
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M 51. 4 hours total integration (2 nights), with Seestar S50. Processing and editing with Pixinsight and SetiAstroSuite. Ploiești... -
berkeman reacted to Dale's post in the thread Graduate How to fix Relativistic QM so it's consistent? with
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@ChrisF We appreciate the respect and the caution. We do not provide any form of pre publication support here. It needs to be published... -
berkeman reacted to Razvan Mihai's post in the thread Hello. I am a 60 year old person interested in astrophotography. with
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I am interested in astrophotography and scientific topics. English is not my native language. -
berkeman replied to the thread Peltier thermopar for hand heat charging battery.Sorry, that did not translate very well and I'm not able to parse it. Please try again with more words? Please show us your... -
berkeman replied to the thread Peltier thermopar for hand heat charging battery.Can you show us your calculations that support this? How much energy do you get out of a Peltier thermoelectric generator with a human... -
berkeman replied to the thread Hello! New non-student here!.Welcome to PF. :smile: I will send you a DM with some websites that do allow speculation. We definitely do not allow personal...