DaveE's latest activity
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DaveE reacted to Ibix's post in the thread Do you want to expand your mind faster than cosmic inflation? with
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Welcome to PF. Please do take the time to read the rules, particularly the parts about speculative and non-mainstream theories. We can... -
DaveE replied to the thread Engineering Half wave voltage doubler.yes, exactly right. In circuit analysis the first step is to draw the schematic and label the voltage and current polarities, often... -
DaveE reacted to DaveC426913's post in the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid with
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The idea of artificially dehumidifying the enclosure seems misguided. Fix the problem at its source: increase ventilation to replace... -
DaveE replied to the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid.Drierite is what you'll find in the optics labs, where some crystals HAVE to be kept dry. It has an indicator (color change) so you know... -
DaveE replied to the thread Engineering Half wave voltage doubler.It's so that when you say the answer is, let's say 12.7V, everyone will agree on the polarity. It is just a definition of how we should... -
DaveE reacted to davenn's post in the thread Beauty of old electrical and measuring things, etc. with
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my piece of magnetic core memory :) -
DaveE replied to the thread Announcement RIP Vanadium 50.My personal favorite. Probably not meaningful if you didn't go to MIT or Caltech... -
DaveE replied to the thread Engineering Half wave voltage doubler.These switching circuits are difficult to analyze on paper in general. Basically you would need to identify each of the states of the... -
DaveE reacted to berkeman's post in the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid with
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This thread means nothing without a cute picture of your hedgehog. :smile: -
DaveE reacted to DaveC426913's post in the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid with
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By the way, do you have a hygrometer in there, to ensure you are tracking the actual humidity? They're about 10 bucks. -
DaveE replied to the thread Construction How do I fix a hedgehog enclosure that keeps getting too humid.More ventilation, I think. -
DaveE reacted to Daveylibra's post in the thread Student of Astronomy and planetary science with
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Hoping to use the forum to get some expert answers to some difficult questions! -
DaveE reacted to Greg Bernhardt's post in the thread Member and Mentor Appreciation Thread with
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It's sure been a wild ride this year! Between some AI missteps and breaking LaTeX for a good portion of the year (at least we got dark...
